
668 ASN-ASNET-NET-AS - Defense Research and Engineering Network
Adjacency: 23 Upstream: 2 Downstream: 21
Upstream Adjacent AS list
AS19401 NLR - National LambdaRail
AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business
Downstream Adjacent AS list
AS1242 PLH-AS - Geophysics Laboratory
AS14077 ARSC - Arctic Region Supercomputing Center
AS132 WPAFB-CSD-NET-AS - ASD/SCOSI
AS1503 BELVOIR - Directorate of Automation Services
AS1655 SPAWAR-GW-AS - Space and Naval Warfare Command
AS1597 DNIC - DoD Network Information Center
AS213 APGEA-NET1-AS - Headquarters, USAAISC
AS1453 ASNBLK1451-1456 - Headquarters, USAAISC
AS252 CECOM-A-TACT - Army Communications Electronics Command
AS3381 MHPCC-AS - Maui High Performance Computing Center
AS22 NOSC - DoD Network Information Center
AS5058 NRL-EXP - Naval Research Laboratory
AS5978 DDN-ASNBLK - DoD Network Information Center
AS687 NATC-CSDRD-AS - NAval Air Test Center
AS89 NUSC-CSTLNET-AS - Naval Underwater Systems Center
AS84 DTNSRDC-AS1 - David Taylor Naval Ship Research and Development Center
AS83 PICANET-AS - Picatinny
AS5957 DDN-ASNBLK - DoD Network Information Center
AS48 NRL-AS - Naval Research Laboratory
AS37 NSWC - Naval Surface Warfare Center
AS13 BRL-AS - DoD Network Information Center
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 116 AS668 ORG+TRN Originate: 2767104 /10.60 Transit: 1690880 /11.31 ASN-ASNET-NET-AS - Defense Research and Engineering Network
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 128 AS668 ASN-ASNET-NET-AS - Defense Research and 263 125 22 160 103 39.16% Prefix AS Path Aggregation Suggestion 6.1.0.0/16 4637 3491 701 668 6.2.0.0/22 4637 3491 701 668 6.3.0.0/18 4637 3491 701 668 6.4.0.0/16 4637 3491 701 668 6.5.0.0/19 4637 3491 701 668 6.6.0.0/15 4637 3491 701 668 + Announce - aggregate of 6.6.0.0/16 (4637 3491 701 668) and 6.7.0.0/16 (4637 3491 701 668) 6.6.0.0/16 4637 3491 701 668 - Withdrawn - aggregated with 6.7.0.0/16 (4637 3491 701 668) 6.7.0.0/16 4637 3491 701 668 - Withdrawn - aggregated with 6.6.0.0/16 (4637 3491 701 668) 6.8.0.0/20 4637 3491 701 668 6.9.0.0/20 4637 3491 701 668 6.10.0.0/15 4637 3491 701 668 6.14.0.0/15 4637 3491 701 668 128.37.0.0/16 4637 3491 701 668 128.47.0.0/16 4637 3491 701 668 128.63.2.0/24 4637 3491 701 668 128.132.0.0/16 4637 3491 701 668 129.61.0.0/16 4637 3491 701 668 129.229.0.0/16 4637 3491 701 668 129.238.0.0/16 4637 3491 701 668 130.53.0.0/16 4637 3491 701 668 130.53.254.0/23 4637 3491 701 668 - Withdrawn - matching aggregate 130.53.0.0/16 4637 3491 701 668 130.109.0.0/16 4637 3491 701 668 131.120.0.0/15 4637 3491 701 668 + Announce - aggregate of 131.120.0.0/16 (4637 3491 701 668) and 131.121.0.0/16 (4637 3491 701 668) 131.120.0.0/16 4637 3491 701 668 - Withdrawn - aggregated with 131.121.0.0/16 (4637 3491 701 668) 131.121.0.0/16 4637 3491 701 668 - Withdrawn - aggregated with 131.120.0.0/16 (4637 3491 701 668) 131.122.0.0/16 4637 3491 701 668 131.214.0.0/16 4637 3491 701 668 131.218.128.0/24 4637 3491 701 668 131.250.0.0/16 4637 3491 701 668 134.137.0.0/16 4637 3491 701 668 134.164.0.0/16 4637 3491 701 668 134.194.215.0/24 4637 3491 701 668 137.128.0.0/16 4637 3491 701 668 138.18.0.0/16 4637 3491 701 668 140.31.0.0/18 4637 3491 701 668 140.31.12.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.31.0.0/18 4637 3491 701 668 140.31.209.0/24 4637 3491 701 668 140.31.211.0/24 4637 3491 701 668 140.31.213.0/24 4637 3491 701 668 140.31.215.0/24 4637 3491 701 668 140.31.216.0/22 4637 3491 701 668 + Announce - aggregate of 140.31.216.0/23 (4637 3491 701 668) and 140.31.218.0/23 (4637 3491 701 668) 140.31.216.0/24 4637 3491 701 668 - Withdrawn - aggregated with 140.31.217.0/24 (4637 3491 701 668) 140.31.217.0/24 4637 3491 701 668 - Withdrawn - aggregated with 140.31.216.0/24 (4637 3491 701 668) 140.31.218.0/24 4637 3491 701 668 - Withdrawn - aggregated with 140.31.219.0/24 (4637 3491 701 668) 140.31.219.0/24 4637 3491 701 668 - Withdrawn - aggregated with 140.31.218.0/24 (4637 3491 701 668) 140.32.0.0/16 4637 3491 701 668 140.32.11.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.12.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.13.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.16.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.18.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.19.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.20.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.22.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.23.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.24.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.40.0/23 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.46.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.61.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.62.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.66.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.68.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.70.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.72.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.73.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.74.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.75.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.76.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.77.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.78.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.79.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.80.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.88.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.94.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.104.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.119.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.120.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.121.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.125.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.128.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.129.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.130.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.132.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.135.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.139.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.160.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.164.0/22 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.168.0/22 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.32.250.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 140.32.0.0/16 4637 3491 701 668 140.140.184.0/21 4637 3491 701 668 140.178.0.0/16 4637 3491 701 668 140.196.64.0/18 4637 3491 701 668 140.196.192.0/18 4637 3491 701 668 141.236.0.0/16 4637 3491 701 668 143.69.2.0/23 4637 3491 701 668 143.84.189.0/24 4637 3491 701 668 143.84.192.0/24 4637 3491 701 668 144.3.0.0/16 4637 3491 701 668 144.3.2.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 144.3.0.0/16 4637 3491 701 668 144.3.21.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 144.3.0.0/16 4637 3491 701 668 144.3.22.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 144.3.0.0/16 4637 3491 701 668 144.3.60.0/22 4637 3491 701 668 - Withdrawn - matching aggregate 144.3.0.0/16 4637 3491 701 668 144.3.88.0/22 4637 3491 701 668 - Withdrawn - matching aggregate 144.3.0.0/16 4637 3491 701 668 144.3.100.0/22 4637 3491 701 668 - Withdrawn - matching aggregate 144.3.0.0/16 4637 3491 701 668 144.3.104.0/22 4637 3491 701 668 - Withdrawn - matching aggregate 144.3.0.0/16 4637 3491 701 668 144.3.108.0/22 4637 3491 701 668 - Withdrawn - matching aggregate 144.3.0.0/16 4637 3491 701 668 144.3.128.0/22 4637 3491 701 668 - Withdrawn - matching aggregate 144.3.0.0/16 4637 3491 701 668 144.3.144.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 144.3.0.0/16 4637 3491 701 668 144.3.148.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 144.3.0.0/16 4637 3491 701 668 146.157.0.0/16 4637 3491 701 668 147.227.0.0/16 4637 3491 701 668 147.241.0.0/21 4637 3491 701 668 147.241.9.0/24 4637 3491 701 668 147.241.10.0/24 4637 3491 701 668 147.241.40.0/21 4637 3491 701 668 147.241.48.0/20 4637 3491 701 668 + Announce - aggregate of 147.241.48.0/21 (4637 3491 701 668) and 147.241.56.0/21 (4637 3491 701 668) 147.241.48.0/21 4637 3491 701 668 - Withdrawn - aggregated with 147.241.56.0/21 (4637 3491 701 668) 147.241.56.0/21 4637 3491 701 668 - Withdrawn - aggregated with 147.241.48.0/21 (4637 3491 701 668) 147.241.64.0/21 4637 3491 701 668 147.241.80.0/20 4637 3491 701 668 + Announce - aggregate of 147.241.80.0/21 (4637 3491 701 668) and 147.241.88.0/21 (4637 3491 701 668) 147.241.80.0/21 4637 3491 701 668 - Withdrawn - aggregated with 147.241.88.0/21 (4637 3491 701 668) 147.241.88.0/21 4637 3491 701 668 - Withdrawn - aggregated with 147.241.80.0/21 (4637 3491 701 668) 147.241.104.0/22 4637 3491 701 668 147.241.112.0/22 4637 3491 701 668 147.241.120.0/21 4637 3491 701 668 + Announce - aggregate of 147.241.120.0/22 (4637 3491 701 668) and 147.241.124.0/22 (4637 3491 701 668) 147.241.120.0/22 4637 3491 701 668 - Withdrawn - aggregated with 147.241.124.0/22 (4637 3491 701 668) 147.241.124.0/23 4637 3491 701 668 - Withdrawn - aggregated with 147.241.126.0/23 (4637 3491 701 668) 147.241.126.0/24 4637 3491 701 668 - Withdrawn - aggregated with 147.241.127.0/24 (4637 3491 701 668) 147.241.127.0/24 4637 3491 701 668 - Withdrawn - aggregated with 147.241.126.0/24 (4637 3491 701 668) 147.241.128.0/24 4637 3491 701 668 147.241.150.0/24 4637 3491 701 668 147.241.192.0/18 4637 3491 701 668 150.125.0.0/16 4637 3491 701 668 155.141.0.0/16 4637 3491 701 668 155.148.0.0/17 4637 3491 701 668 155.148.128.0/18 4637 3491 701 668 155.148.192.0/19 4637 3491 701 668 155.148.224.0/20 4637 3491 701 668 155.148.240.0/21 4637 3491 701 668 155.213.2.0/23 4637 3491 701 668 + Announce - aggregate of 155.213.2.0/24 (4637 3491 701 668) and 155.213.3.0/24 (4637 3491 701 668) 155.213.2.0/24 4637 3491 701 668 - Withdrawn - aggregated with 155.213.3.0/24 (4637 3491 701 668) 155.213.3.0/24 4637 3491 701 668 - Withdrawn - aggregated with 155.213.2.0/24 (4637 3491 701 668) 155.213.4.0/22 4637 3491 701 668 + Announce - aggregate of 155.213.4.0/23 (4637 3491 701 668) and 155.213.6.0/23 (4637 3491 701 668) 155.213.4.0/24 4637 3491 701 668 - Withdrawn - aggregated with 155.213.5.0/24 (4637 3491 701 668) 155.213.5.0/24 4637 3491 701 668 - Withdrawn - aggregated with 155.213.4.0/24 (4637 3491 701 668) 155.213.6.0/24 4637 3491 701 668 - Withdrawn - aggregated with 155.213.7.0/24 (4637 3491 701 668) 155.213.7.0/24 4637 3491 701 668 - Withdrawn - aggregated with 155.213.6.0/24 (4637 3491 701 668) 155.213.8.0/24 4637 3491 701 668 155.244.0.0/16 4637 3491 701 668 157.187.16.0/20 4637 3491 701 668 157.187.32.0/19 4637 3491 701 668 + Announce - aggregate of 157.187.32.0/20 (4637 3491 701 668) and 157.187.48.0/20 (4637 3491 701 668) 157.187.32.0/20 4637 3491 701 668 - Withdrawn - aggregated with 157.187.48.0/20 (4637 3491 701 668) 157.187.48.0/20 4637 3491 701 668 - Withdrawn - aggregated with 157.187.32.0/20 (4637 3491 701 668) 158.12.0.0/16 4637 3491 701 668 164.49.0.0/16 4637 3491 701 668 164.196.0.0/16 4637 3491 701 668 192.5.21.0/24 4637 3491 701 668 192.5.22.0/23 4637 3491 701 668 + Announce - aggregate of 192.5.22.0/24 (4637 3491 701 668) and 192.5.23.0/24 (4637 3491 701 668) 192.5.22.0/24 4637 3491 701 668 - Withdrawn - aggregated with 192.5.23.0/24 (4637 3491 701 668) 192.5.23.0/24 4637 3491 701 668 - Withdrawn - aggregated with 192.5.22.0/24 (4637 3491 701 668) 192.5.148.0/24 4637 3491 701 668 192.31.147.0/24 4637 3491 701 668 192.33.186.0/24 4637 3491 701 668 192.48.212.0/24 4637 3491 701 668 192.48.242.0/24 4637 3491 701 668 192.55.117.0/24 4637 3491 701 668 192.55.240.0/24 4637 3491 701 668 192.58.244.0/24 4637 3491 701 668 192.67.80.0/24 4637 3491 701 668 192.67.93.0/24 4637 3491 701 668 192.88.110.0/24 4637 3491 701 668 192.100.65.0/24 4637 3491 701 668 192.100.92.0/24 4637 3491 701 668 192.108.104.0/24 4637 3491 701 668 192.138.87.0/24 4637 3491 701 668 192.160.158.0/23 4637 3491 701 668 + Announce - aggregate of 192.160.158.0/24 (4637 3491 701 668) and 192.160.159.0/24 (4637 3491 701 668) 192.160.158.0/24 4637 3491 701 668 - Withdrawn - aggregated with 192.160.159.0/24 (4637 3491 701 668) 192.160.159.0/24 4637 3491 701 668 - Withdrawn - aggregated with 192.160.158.0/24 (4637 3491 701 668) 192.171.8.0/22 4637 3491 701 668 192.171.12.0/24 4637 3491 701 668 192.190.228.0/23 4637 3491 701 668 + Announce - aggregate of 192.190.228.0/24 (4637 3491 701 668) and 192.190.229.0/24 (4637 3491 701 668) 192.190.228.0/24 4637 3491 701 668 - Withdrawn - aggregated with 192.190.229.0/24 (4637 3491 701 668) 192.190.229.0/24 4637 3491 701 668 - Withdrawn - aggregated with 192.190.228.0/24 (4637 3491 701 668) 198.60.190.0/24 4637 11164 14041 19401 668 198.62.65.0/24 4637 3491 701 668 198.62.66.0/24 4637 3491 701 668 198.91.73.0/24 4637 3491 701 668 198.97.234.0/23 4637 3491 701 668 198.97.236.0/24 4637 3491 701 668 198.154.16.0/21 4637 3491 701 668 + Announce - aggregate of 198.154.16.0/22 (4637 3491 701 668) and 198.154.20.0/22 (4637 3491 701 668) 198.154.16.0/24 4637 3491 701 668 - Withdrawn - aggregated with 198.154.17.0/24 (4637 3491 701 668) 198.154.17.0/24 4637 3491 701 668 - Withdrawn - aggregated with 198.154.16.0/24 (4637 3491 701 668) 198.154.18.0/24 4637 3491 701 668 - Withdrawn - aggregated with 198.154.19.0/24 (4637 3491 701 668) 198.154.19.0/24 4637 3491 701 668 - Withdrawn - aggregated with 198.154.18.0/24 (4637 3491 701 668) 198.154.20.0/24 4637 3491 701 668 - Withdrawn - aggregated with 198.154.21.0/24 (4637 3491 701 668) 198.154.21.0/24 4637 3491 701 668 - Withdrawn - aggregated with 198.154.20.0/24 (4637 3491 701 668) 198.154.22.0/24 4637 3491 701 668 - Withdrawn - aggregated with 198.154.23.0/24 (4637 3491 701 668) 198.154.23.0/24 4637 3491 701 668 - Withdrawn - aggregated with 198.154.22.0/24 (4637 3491 701 668) 198.154.25.0/24 4637 3491 701 668 198.154.173.0/24 4637 3491 701 668 198.154.174.0/23 4637 3491 701 668 198.154.176.0/23 4637 3491 701 668 198.206.222.0/24 4637 3491 701 668 198.253.16.0/20 4637 3491 701 668 198.253.32.0/20 4637 3491 701 668 + Announce - aggregate of 198.253.32.0/21 (4637 3491 701 668) and 198.253.40.0/21 (4637 3491 701 668) 198.253.32.0/21 4637 3491 701 668 - Withdrawn - aggregated with 198.253.40.0/21 (4637 3491 701 668) 198.253.40.0/21 4637 3491 701 668 - Withdrawn - aggregated with 198.253.32.0/21 (4637 3491 701 668) 198.253.80.0/20 4637 3491 701 668 198.253.96.0/24 4637 3491 701 668 198.253.99.0/24 4637 3491 701 668 198.253.100.0/22 4637 3491 701 668 198.253.104.0/22 4637 3491 701 668 198.253.110.0/24 4637 3491 701 668 198.253.128.0/21 4637 3491 701 668 198.253.163.0/24 4637 3491 701 668 198.253.166.0/23 4637 3491 701 668 198.253.168.0/21 4637 3491 701 668 + Announce - aggregate of 198.253.168.0/22 (4637 3491 701 668) and 198.253.172.0/22 (4637 3491 701 668) 198.253.168.0/22 4637 3491 701 668 - Withdrawn - aggregated with 198.253.172.0/22 (4637 3491 701 668) 198.253.172.0/22 4637 3491 701 668 - Withdrawn - aggregated with 198.253.168.0/22 (4637 3491 701 668) 198.253.176.0/21 4637 3491 701 668 198.253.188.0/22 4637 3491 701 668 198.253.199.0/24 4637 3491 701 668 198.253.232.0/23 4637 3491 701 668 198.253.255.0/24 4637 3491 701 668 199.9.0.0/23 4637 3491 701 668 + Announce - aggregate of 199.9.0.0/24 (4637 3491 701 668) and 199.9.1.0/24 (4637 3491 701 668) 199.9.0.0/24 4637 3491 701 668 - Withdrawn - aggregated with 199.9.1.0/24 (4637 3491 701 668) 199.9.1.0/24 4637 3491 701 668 - Withdrawn - aggregated with 199.9.0.0/24 (4637 3491 701 668) 199.9.2.0/24 4637 3491 701 668 199.9.128.0/17 4637 3491 701 668 199.9.128.0/18 4637 3491 701 668 - Withdrawn - matching aggregate 199.9.128.0/17 4637 3491 701 668 199.31.16.0/20 4637 3491 701 668 199.31.107.0/24 4637 3491 701 668 199.104.247.0/24 4637 11164 14041 19401 668 199.123.32.0/20 4637 3491 701 668 199.123.116.0/24 4637 3491 701 668 199.208.156.0/24 4637 3491 701 668 199.209.144.0/21 4637 3491 701 668 199.209.240.0/20 4637 3491 701 668 + Announce - aggregate of 199.209.240.0/21 (4637 3491 701 668) and 199.209.248.0/21 (4637 3491 701 668) 199.209.240.0/21 4637 3491 701 668 - Withdrawn - aggregated with 199.209.248.0/21 (4637 3491 701 668) 199.209.248.0/21 4637 3491 701 668 - Withdrawn - aggregated with 199.209.240.0/21 (4637 3491 701 668) 204.44.136.0/23 4637 3491 701 668 204.222.64.0/21 4637 3491 701 668 204.238.129.0/24 4637 3491 701 668 205.66.100.0/22 4637 3491 701 668 205.67.232.0/24 4637 3491 701 668 205.68.95.0/24 4637 3491 701 668 205.68.103.0/24 4637 3491 701 668 205.73.248.0/21 4637 3491 701 668 205.110.228.0/23 4637 3491 701 668 206.37.224.0/24 4637 3491 701 668 206.39.48.0/21 4637 3491 701 668 206.39.48.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 206.39.48.0/21 4637 3491 701 668 206.39.49.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 206.39.48.0/21 4637 3491 701 668 206.39.50.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 206.39.48.0/21 4637 3491 701 668 206.39.51.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 206.39.48.0/21 4637 3491 701 668 206.39.52.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 206.39.48.0/21 4637 3491 701 668 206.39.53.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 206.39.48.0/21 4637 3491 701 668 206.39.54.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 206.39.48.0/21 4637 3491 701 668 206.39.55.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 206.39.48.0/21 4637 3491 701 668 206.39.116.0/24 4637 3491 701 668 206.39.128.0/23 4637 3491 701 668 206.39.128.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 206.39.128.0/23 4637 3491 701 668 206.39.129.0/24 4637 3491 701 668 - Withdrawn - matching aggregate 206.39.128.0/23 4637 3491 701 668 206.39.222.0/23 4637 3491 701 668 + Announce - aggregate of 206.39.222.0/24 (4637 3491 701 668) and 206.39.223.0/24 (4637 3491 701 668) 206.39.222.0/24 4637 3491 701 668 - Withdrawn - aggregated with 206.39.223.0/24 (4637 3491 701 668) 206.39.223.0/24 4637 3491 701 668 - Withdrawn - aggregated with 206.39.222.0/24 (4637 3491 701 668) 206.39.224.0/22 4637 3491 701 668 + Announce - aggregate of 206.39.224.0/23 (4637 3491 701 668) and 206.39.226.0/23 (4637 3491 701 668) 206.39.224.0/24 4637 3491 701 668 - Withdrawn - aggregated with 206.39.225.0/24 (4637 3491 701 668) 206.39.225.0/24 4637 3491 701 668 - Withdrawn - aggregated with 206.39.224.0/24 (4637 3491 701 668) 206.39.226.0/24 4637 3491 701 668 - Withdrawn - aggregated with 206.39.227.0/24 (4637 3491 701 668) 206.39.227.0/24 4637 3491 701 668 - Withdrawn - aggregated with 206.39.226.0/24 (4637 3491 701 668) 206.39.228.0/23 4637 3491 701 668 + Announce - aggregate of 206.39.228.0/24 (4637 3491 701 668) and 206.39.229.0/24 (4637 3491 701 668) 206.39.228.0/24 4637 3491 701 668 - Withdrawn - aggregated with 206.39.229.0/24 (4637 3491 701 668) 206.39.229.0/24 4637 3491 701 668 - Withdrawn - aggregated with 206.39.228.0/24 (4637 3491 701 668) 207.132.147.0/24 4637 3491 701 668 207.133.211.0/24 4637 3491 701 668 209.22.6.0/23 4637 3491 701 668 + Announce - aggregate of 209.22.6.0/24 (4637 3491 701 668) and 209.22.7.0/24 (4637 3491 701 668) 209.22.6.0/24 4637 3491 701 668 - Withdrawn - aggregated with 209.22.7.0/24 (4637 3491 701 668) 209.22.7.0/24 4637 3491 701 668 - Withdrawn - aggregated with 209.22.6.0/24 (4637 3491 701 668) 209.22.8.0/24 4637 3491 701 668 214.4.1.0/24 4637 3491 701 668 214.4.2.0/23 4637 3491 701 668 + Announce - aggregate of 214.4.2.0/24 (4637 3491 701 668) and 214.4.3.0/24 (4637 3491 701 668) 214.4.2.0/24 4637 3491 701 668 - Withdrawn - aggregated with 214.4.3.0/24 (4637 3491 701 668) 214.4.3.0/24 4637 3491 701 668 - Withdrawn - aggregated with 214.4.2.0/24 (4637 3491 701 668) 214.16.211.0/24 4637 3491 701 668
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS668 214 More Specifics 279 Total Advertisements ASN-ASNET-NET-AS - Defense Research and Engineering Network
6.1.0.0/16 6.0.0.0/8
6.2.0.0/22 6.0.0.0/8
6.3.0.0/18 6.0.0.0/8
6.4.0.0/16 6.0.0.0/8
6.5.0.0/19 6.0.0.0/8
6.6.0.0/16 6.0.0.0/8
6.7.0.0/16 6.0.0.0/8
6.8.0.0/20 6.0.0.0/8
6.9.0.0/20 6.0.0.0/8
6.10.0.0/15 6.0.0.0/8
6.14.0.0/15 6.0.0.0/8
128.63.2.0/24 128.63.0.0/16
130.53.254.0/23 130.53.0.0/16
131.218.128.0/24 131.218.0.0/16
134.194.215.0/24 134.194.0.0/16
140.31.0.0/18 140.31.0.0/16
140.31.12.0/24 140.31.0.0/16
140.31.209.0/24 140.31.0.0/16
140.31.211.0/24 140.31.0.0/16
140.31.213.0/24 140.31.0.0/16
140.31.215.0/24 140.31.0.0/16
140.31.216.0/24 140.31.0.0/16
140.31.217.0/24 140.31.0.0/16
140.31.218.0/24 140.31.0.0/16
140.31.219.0/24 140.31.0.0/16
140.31.225.0/24 140.31.0.0/16
140.31.227.0/24 140.31.0.0/16
140.31.228.0/24 140.31.0.0/16
140.31.229.0/24 140.31.0.0/16
140.31.230.0/24 140.31.0.0/16
140.32.11.0/24 140.32.0.0/16
140.32.12.0/24 140.32.0.0/16
140.32.13.0/24 140.32.0.0/16
140.32.16.0/24 140.32.0.0/16
140.32.18.0/24 140.32.0.0/16
140.32.19.0/24 140.32.0.0/16
140.32.20.0/24 140.32.0.0/16
140.32.22.0/24 140.32.0.0/16
140.32.23.0/24 140.32.0.0/16
140.32.24.0/24 140.32.0.0/16
140.32.40.0/23 140.32.0.0/16
140.32.46.0/24 140.32.0.0/16
140.32.61.0/24 140.32.0.0/16
140.32.62.0/24 140.32.0.0/16
140.32.66.0/24 140.32.0.0/16
140.32.68.0/24 140.32.0.0/16
140.32.70.0/24 140.32.0.0/16
140.32.72.0/24 140.32.0.0/16
140.32.73.0/24 140.32.0.0/16
140.32.74.0/24 140.32.0.0/16
140.32.75.0/24 140.32.0.0/16
140.32.76.0/24 140.32.0.0/16
140.32.77.0/24 140.32.0.0/16
140.32.78.0/24 140.32.0.0/16
140.32.79.0/24 140.32.0.0/16
140.32.80.0/24 140.32.0.0/16
140.32.88.0/24 140.32.0.0/16
140.32.90.0/24 140.32.0.0/16
140.32.91.0/24 140.32.0.0/16
140.32.94.0/24 140.32.0.0/16
140.32.104.0/24 140.32.0.0/16
140.32.119.0/24 140.32.0.0/16
140.32.120.0/24 140.32.0.0/16
140.32.121.0/24 140.32.0.0/16
140.32.125.0/24 140.32.0.0/16
140.32.128.0/24 140.32.0.0/16
140.32.129.0/24 140.32.0.0/16
140.32.130.0/24 140.32.0.0/16
140.32.132.0/24 140.32.0.0/16
140.32.135.0/24 140.32.0.0/16
140.32.139.0/24 140.32.0.0/16
140.32.160.0/24 140.32.0.0/16
140.32.164.0/22 140.32.0.0/16
140.32.168.0/22 140.32.0.0/16
140.32.250.0/24 140.32.0.0/16
140.32.252.0/24 140.32.0.0/16
140.139.253.0/24 140.139.0.0/16
140.140.184.0/21 140.140.0.0/16
140.196.64.0/18 140.196.0.0/16
140.196.192.0/18 140.196.0.0/16
143.69.2.0/23 143.69.0.0/16
143.84.189.0/24 143.84.0.0/16
143.84.192.0/24 143.84.0.0/16
144.3.2.0/24 144.3.0.0/16
144.3.21.0/24 144.3.0.0/16
144.3.22.0/24 144.3.0.0/16
144.3.60.0/22 144.3.0.0/16
144.3.88.0/22 144.3.0.0/16
144.3.100.0/22 144.3.0.0/16
144.3.104.0/22 144.3.0.0/16
144.3.108.0/22 144.3.0.0/16
144.3.128.0/22 144.3.0.0/16
144.3.144.0/24 144.3.0.0/16
144.3.148.0/24 144.3.0.0/16
147.241.0.0/21 147.241.0.0/16
147.241.9.0/24 147.241.0.0/16
147.241.10.0/24 147.241.0.0/16
147.241.40.0/21 147.241.0.0/16
147.241.48.0/21 147.241.0.0/16
147.241.56.0/21 147.241.0.0/16
147.241.64.0/21 147.241.0.0/16
147.241.80.0/21 147.241.0.0/16
147.241.88.0/21 147.241.0.0/16
147.241.104.0/22 147.241.0.0/16
147.241.112.0/22 147.241.0.0/16
147.241.120.0/22 147.241.0.0/16
147.241.124.0/23 147.241.0.0/16
147.241.126.0/24 147.241.0.0/16
147.241.127.0/24 147.241.0.0/16
147.241.128.0/24 147.241.0.0/16
147.241.136.0/21 147.241.0.0/16
147.241.144.0/21 147.241.0.0/16
147.241.192.0/18 147.241.0.0/16
155.148.0.0/17 155.148.0.0/16
155.148.128.0/18 155.148.0.0/16
155.148.192.0/19 155.148.0.0/16
155.148.224.0/20 155.148.0.0/16
155.148.240.0/21 155.148.0.0/16
155.213.2.0/24 155.213.0.0/16
155.213.3.0/24 155.213.0.0/16
155.213.4.0/24 155.213.0.0/16
155.213.5.0/24 155.213.0.0/16
155.213.6.0/24 155.213.0.0/16
155.213.7.0/24 155.213.0.0/16
155.213.8.0/24 155.213.0.0/16
157.187.16.0/20 157.187.0.0/16
157.187.32.0/20 157.187.0.0/16
157.187.48.0/20 157.187.0.0/16
164.196.0.0/16 164.196.0.0/15
192.5.22.0/24 192.5.22.0/23
192.5.23.0/24 192.5.22.0/23
198.60.190.0/24 198.59.0.0/15
198.91.73.0/24 198.91.72.0/23
198.154.16.0/24 198.154.16.0/21
198.154.17.0/24 198.154.16.0/21
198.154.18.0/24 198.154.16.0/21
198.154.19.0/24 198.154.16.0/21
198.154.20.0/24 198.154.16.0/21
198.154.21.0/24 198.154.16.0/21
198.154.22.0/24 198.154.16.0/21
198.154.23.0/24 198.154.16.0/21
198.154.25.0/24 198.154.24.0/23
198.154.173.0/24 198.154.160.0/20
198.154.174.0/23 198.154.160.0/20
198.206.222.0/24 198.206.220.0/22
198.253.16.0/20 198.253.0.0/16
198.253.32.0/21 198.253.0.0/16
198.253.40.0/21 198.253.0.0/16
198.253.80.0/20 198.253.0.0/16
198.253.96.0/24 198.253.0.0/16
198.253.99.0/24 198.253.0.0/16
198.253.100.0/22 198.253.0.0/16
198.253.104.0/22 198.253.0.0/16
198.253.110.0/24 198.253.0.0/16
198.253.128.0/21 198.253.0.0/16
198.253.163.0/24 198.253.0.0/16
198.253.166.0/23 198.253.0.0/16
198.253.168.0/22 198.253.0.0/16
198.253.172.0/22 198.253.0.0/16
198.253.176.0/21 198.253.0.0/16
198.253.188.0/22 198.253.0.0/16
198.253.199.0/24 198.253.0.0/16
198.253.232.0/23 198.253.0.0/16
198.253.255.0/24 198.253.0.0/16
199.9.0.0/24 199.9.0.0/23
199.9.1.0/24 199.9.0.0/23
199.31.16.0/20 199.31.0.0/16
199.31.107.0/24 199.31.0.0/16
199.104.247.0/24 199.104.0.0/16
199.123.32.0/20 199.123.32.0/19
199.123.116.0/24 199.123.116.0/22
199.208.156.0/24 199.208.0.0/14
199.209.144.0/21 199.208.0.0/14
199.209.240.0/21 199.208.0.0/14
199.209.248.0/21 199.208.0.0/14
204.222.64.0/21 204.222.0.0/16
205.66.100.0/22 205.64.0.0/11
205.67.232.0/24 205.64.0.0/11
205.68.95.0/24 205.64.0.0/11
205.68.103.0/24 205.64.0.0/11
205.73.248.0/21 205.64.0.0/11
205.110.228.0/23 205.96.0.0/12
206.37.224.0/24 206.36.0.0/14
206.39.48.0/21 206.36.0.0/14
206.39.48.0/24 206.36.0.0/14
206.39.49.0/24 206.36.0.0/14
206.39.50.0/24 206.36.0.0/14
206.39.51.0/24 206.36.0.0/14
206.39.52.0/24 206.36.0.0/14
206.39.53.0/24 206.36.0.0/14
206.39.54.0/24 206.36.0.0/14
206.39.55.0/24 206.36.0.0/14
206.39.116.0/24 206.36.0.0/14
206.39.128.0/23 206.36.0.0/14
206.39.128.0/24 206.36.0.0/14
206.39.129.0/24 206.36.0.0/14
206.39.222.0/24 206.36.0.0/14
206.39.223.0/24 206.36.0.0/14
206.39.224.0/24 206.36.0.0/14
206.39.225.0/24 206.36.0.0/14
206.39.226.0/24 206.36.0.0/14
206.39.227.0/24 206.36.0.0/14
206.39.228.0/24 206.36.0.0/14
206.39.229.0/24 206.36.0.0/14
207.132.147.0/24 207.132.0.0/15
207.133.211.0/24 207.132.0.0/15
207.245.160.0/24 207.245.160.0/19
209.22.6.0/24 209.22.0.0/16
209.22.7.0/24 209.22.0.0/16
209.22.8.0/24 209.22.0.0/16
214.4.1.0/24 214.0.0.0/8
214.4.2.0/24 214.0.0.0/8
214.4.3.0/24 214.0.0.0/8
214.16.211.0/24 214.0.0.0/8
whois: 402603
IANA has recorded AS668 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS668\n
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#
ASNumber: 668
ASName: DNIC-AS-00668
ASHandle: AS668
RegDate: 1990-04-24
Updated: 2025-09-12
Ref: https://rdap.arin.net/registry/autnum/668
OrgName: United States Department of Defense (DoD)
OrgId: USDDD
Address: 3990 E. Broad Street
City: Columbus
StateProv: OH
PostalCode: 43218
Country: US
RegDate: 2007-01-12
Updated: 2025-03-13
Ref: https://rdap.arin.net/registry/entity/USDDD
OrgNOCHandle: MIL-HSTMST-ARIN
OrgNOCName: Network DoD
OrgNOCPhone: +1-844-347-2457
OrgNOCEmail: disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
OrgNOCRef: https://rdap.arin.net/registry/entity/MIL-HSTMST-ARIN
OrgTechHandle: MIL-HSTMST-ARIN
OrgTechName: Network DoD
OrgTechPhone: +1-844-347-2457
OrgTechEmail: disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
OrgTechRef: https://rdap.arin.net/registry/entity/MIL-HSTMST-ARIN
OrgAbuseHandle: MIL-HSTMST-ARIN
OrgAbuseName: Network DoD
OrgAbusePhone: +1-844-347-2457
OrgAbuseEmail: disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
OrgAbuseRef: https://rdap.arin.net/registry/entity/MIL-HSTMST-ARIN
OrgTechHandle: REGIS10-ARIN
OrgTechName: Registration
OrgTechPhone: +1-844-347-2457
OrgTechEmail: disa.columbus.ns.mbx.arin-registrations@mail.mil
OrgTechRef: https://rdap.arin.net/registry/entity/REGIS10-ARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#