721 DNIC-ASBLK-00721-00726, US
Adjacency: 4 Upstream: 1 Downstream: 3
Upstream Adjacent AS list
AS3356 LEVEL3, US
Downstream Adjacent AS list
AS27066 DNIC-ASBLK-27032-27159, US
AS27065 DNIC-ASBLK-27032-27159, US
AS27064 DNIC-ASBLK-27032-27159, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 5 AS721 ORG+TRN Originate: 73131008 /5.88 Transit: 41757440 /6.68 DNIC-ASBLK-00721-00726, US
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 % 1708 AS721 DNIC-ASBLK-00721-00726, US 227 41 7 193 34 14.98% Prefix AS Path Aggregation Suggestion 6.16.172.0/23 57866 3356 721 721 6.16.174.0/24 57866 3356 721 721 6.64.181.0/24 6939 3356 721 721 55.0.0.0/8 57866 3356 721 721 130.22.0.0/16 57866 3356 721 721 131.4.0.0/15 6939 3356 721 721 131.16.0.0/16 57866 3356 721 721 131.32.0.0/11 57866 3356 721 721 131.64.0.0/13 57866 3356 721 721 131.73.0.0/16 57866 3356 721 721 131.74.0.0/15 57866 3356 721 721 131.76.0.0/14 57866 3356 721 721 131.78.3.0/24 6939 3356 721 721 131.78.204.0/24 2914 3356 721 721 131.80.0.0/14 57866 3356 721 721 131.86.0.0/15 57866 3356 721 721 131.86.0.0/16 57866 3356 721 721 - Withdrawn - matching aggregate 131.86.0.0/15 57866 3356 721 721 131.87.0.0/16 57866 3356 721 721 - Withdrawn - matching aggregate 131.86.0.0/15 57866 3356 721 721 132.0.0.0/10 57866 3356 721 721 132.80.0.0/12 57866 3356 721 721 132.96.0.0/11 57866 3356 721 721 132.128.0.0/12 57866 3356 721 721 134.80.0.0/16 57866 3356 721 721 134.135.0.0/16 57866 3356 721 721 134.233.0.0/16 6939 3356 721 721 134.235.0.0/16 57866 3356 721 721 136.212.0.0/14 57866 3356 721 721 136.216.0.0/14 6939 3356 721 721 136.220.0.0/15 6939 3356 721 721 137.0.0.0/13 57866 3356 721 721 137.8.0.0/14 6939 3356 721 721 137.209.0.0/16 57866 3356 721 721 137.240.0.0/14 6939 3356 721 721 138.50.0.0/16 57866 3356 721 721 138.136.0.0/13 57866 3356 721 721 138.144.0.0/12 57866 3356 721 721 138.160.0.0/15 57866 3356 721 721 138.162.5.0/24 57866 3356 721 721 138.164.0.0/14 57866 3356 721 721 138.168.0.0/14 57866 3356 721 721 138.178.0.0/15 7018 3356 721 721 138.178.0.0/16 3257 3356 721 721 138.180.0.0/16 57866 3356 721 721 139.139.0.0/16 57866 3356 721 721 139.241.0.0/16 57866 3356 721 721 140.1.0.0/16 57866 3356 721 721 140.13.73.0/24 6939 3356 721 721 140.21.0.0/16 57866 3356 721 721 140.35.64.0/18 57866 3356 721 721 140.152.0.0/14 57866 3356 721 721 140.153.72.0/24 57866 3356 721 721 - Withdrawn - matching aggregate 140.152.0.0/14 57866 3356 721 721 140.201.0.0/16 57866 3356 721 721 141.234.0.0/15 57866 3356 721 721 143.69.0.0/16 57866 3356 721 721 143.73.0.0/16 57866 3356 721 721 143.74.0.0/16 57866 3356 721 721 143.76.0.0/16 57866 3356 721 721 143.81.0.0/16 57866 3356 721 721 143.81.0.0/16 6939 3356 721 721 + Announce - aggregate of 143.81.0.0/17 (6939 3356 721 721) and 143.81.128.0/17 (6939 3356 721 721) 143.81.0.0/17 6939 3356 721 721 - Withdrawn - aggregated with 143.81.128.0/17 (6939 3356 721 721) 143.81.103.0/24 6939 3356 721 721 - Withdrawn - matching aggregate 143.81.0.0/17 6939 3356 721 721 143.81.128.0/17 6939 3356 721 721 - Withdrawn - aggregated with 143.81.0.0/17 (6939 3356 721 721) 143.83.0.0/16 57866 3356 721 721 143.84.0.0/15 57866 3356 721 721 + Announce - aggregate of 143.84.0.0/16 (57866 3356 721 721) and 143.85.0.0/16 (57866 3356 721 721) 143.84.0.0/16 57866 3356 721 721 - Withdrawn - aggregated with 143.85.0.0/16 (57866 3356 721 721) 143.85.0.0/16 57866 3356 721 721 - Withdrawn - aggregated with 143.84.0.0/16 (57866 3356 721 721) 143.85.0.0/18 57866 3356 721 721 - Withdrawn - matching aggregate 143.85.0.0/16 57866 3356 721 721 143.85.64.0/18 57866 3356 721 721 - Withdrawn - matching aggregate 143.85.0.0/16 57866 3356 721 721 143.85.128.0/18 57866 3356 721 721 - Withdrawn - matching aggregate 143.85.0.0/16 57866 3356 721 721 143.85.192.0/18 6939 3356 721 721 143.86.176.0/24 6939 3356 721 721 143.86.204.0/23 6939 3356 721 721 143.138.0.0/15 57866 3356 721 721 143.140.0.0/14 57866 3356 721 721 143.144.0.0/13 57866 3356 721 721 143.156.0.0/15 57866 3356 721 721 143.212.0.0/15 57866 3356 721 721 144.100.0.0/14 57866 3356 721 721 144.104.0.0/14 57866 3356 721 721 144.104.0.0/15 6939 3356 721 721 144.109.0.0/16 57866 3356 721 721 144.170.0.0/16 57866 3356 721 721 144.182.0.0/15 57866 3356 721 721 144.251.43.0/24 57866 3356 721 721 146.55.22.0/23 57866 3356 721 721 146.55.124.0/24 57866 3356 721 721 146.55.127.0/24 57866 3356 721 721 147.130.0.0/15 6939 3356 721 721 147.216.0.0/15 57866 3356 721 721 148.48.0.0/15 57866 3356 721 721 150.192.0.0/15 6939 3356 721 721 153.23.0.0/16 57866 3356 721 721 153.24.0.0/14 57866 3356 721 721 153.24.0.0/15 57866 3356 721 721 - Withdrawn - matching aggregate 153.24.0.0/14 57866 3356 721 721 153.26.0.0/16 57866 3356 721 721 - Withdrawn - matching aggregate 153.24.0.0/14 57866 3356 721 721 153.29.0.0/16 57866 3356 721 721 153.29.0.0/16 6939 3356 721 721 + Announce - aggregate of 153.29.0.0/17 (6939 3356 721 721) and 153.29.128.0/17 (6939 3356 721 721) 153.29.0.0/17 6939 3356 721 721 - Withdrawn - aggregated with 153.29.128.0/17 (6939 3356 721 721) 153.29.128.0/17 6939 3356 721 721 - Withdrawn - aggregated with 153.29.0.0/17 (6939 3356 721 721) 155.7.0.0/16 57866 3356 721 721 155.8.0.0/15 6939 3356 721 721 155.21.192.0/19 57866 3356 721 721 155.29.48.0/23 2497 3356 721 721 155.29.166.0/23 6939 3356 721 721 155.150.0.0/15 57866 3356 721 721 155.152.0.0/14 57866 3356 721 721 155.155.0.0/16 57866 3356 721 721 - Withdrawn - matching aggregate 155.152.0.0/14 57866 3356 721 721 155.214.0.0/15 57866 3356 721 721 155.216.0.0/14 57866 3356 721 721 155.252.0.0/16 57866 3356 721 721 156.112.148.0/23 57866 3356 721 721 158.0.0.0/13 6939 3356 721 721 158.8.0.0/14 57866 3356 721 721 158.14.0.0/15 57866 3356 721 721 158.236.0.0/14 57866 3356 721 721 158.240.0.0/14 57866 3356 721 721 159.77.0.0/16 57866 3356 721 721 160.126.0.0/15 57866 3356 721 721 160.132.0.0/15 6939 3356 721 721 160.136.0.0/13 57866 3356 721 721 160.144.0.0/13 57866 3356 721 721 164.87.0.0/16 57866 3356 721 721 164.230.0.0/15 57866 3356 721 721 164.236.0.0/16 57866 3356 721 721 192.41.202.0/24 57866 3356 721 721 192.42.41.0/24 6939 3356 721 721 192.73.26.0/23 6939 3356 721 721 192.73.28.0/23 6939 3356 721 721 192.86.112.0/21 57866 3356 721 721 192.86.232.0/21 57866 3356 721 721 192.86.252.0/24 6939 3356 721 721 192.101.132.0/23 6939 3356 721 721 192.108.8.0/21 6939 3356 721 721 192.108.176.0/21 57866 3356 721 721 192.111.116.0/23 6939 3356 721 721 192.129.64.0/22 57866 3356 721 721 192.132.83.0/24 57866 3356 721 721 192.132.84.0/23 57866 3356 721 721 192.138.24.0/21 6939 3356 721 721 192.138.64.0/20 6939 3356 721 721 192.138.80.0/22 6939 3356 721 721 192.153.132.0/22 6939 3356 721 721 192.153.136.0/21 57866 3356 721 721 192.153.144.0/21 57866 3356 721 721 192.153.244.0/23 57866 3356 721 721 192.156.0.0/18 57866 3356 721 721 192.156.64.0/20 57866 3356 721 721 192.156.80.0/23 57866 3356 721 721 192.172.0.0/19 57866 3356 721 721 192.187.4.0/22 57866 3356 721 721 192.188.208.0/20 57866 3356 721 721 192.240.128.0/20 57866 3356 721 721 192.240.129.0/24 57866 3356 721 721 - Withdrawn - matching aggregate 192.240.128.0/20 57866 3356 721 721 192.240.144.0/22 6939 3356 721 721 198.25.0.0/16 57866 3356 721 721 198.25.0.0/24 57866 3356 721 721 - Withdrawn - matching aggregate 198.25.0.0/16 57866 3356 721 721 198.26.0.0/16 57866 3356 721 721 198.49.184.0/21 6939 3356 721 721 198.97.72.0/21 57866 3356 721 721 198.97.96.0/19 57866 3356 721 721 198.97.128.0/18 57866 3356 721 721 198.97.192.0/20 57866 3356 721 721 198.97.192.0/21 57866 3356 721 721 - Withdrawn - matching aggregate 198.97.192.0/20 57866 3356 721 721 198.97.240.0/20 6939 3356 721 721 198.154.8.0/21 6939 3356 721 721 198.154.72.0/22 6939 3356 721 721 198.218.0.0/15 57866 3356 721 721 198.220.0.0/16 57866 3356 721 721 198.250.128.0/17 6939 3356 721 721 + Announce - aggregate of 198.250.128.0/18 (6939 3356 721 721) and 198.250.192.0/18 (6939 3356 721 721) 198.250.128.0/18 6939 3356 721 721 - Withdrawn - aggregated with 198.250.192.0/18 (6939 3356 721 721) 198.250.192.0/18 6939 3356 721 721 - Withdrawn - aggregated with 198.250.128.0/18 (6939 3356 721 721) 198.250.192.0/19 6939 3356 721 721 - Withdrawn - matching aggregate 198.250.192.0/18 6939 3356 721 721 198.250.224.0/20 2914 3356 721 721 198.250.240.0/21 6939 3356 721 721 - Withdrawn - matching aggregate 198.250.192.0/18 6939 3356 721 721 199.9.64.0/18 57866 3356 721 721 199.32.128.0/18 57866 3356 721 721 199.57.0.0/16 57866 3356 721 721 199.112.0.0/15 57866 3356 721 721 199.114.32.0/20 57866 3356 721 721 199.122.4.0/23 57866 3356 721 721 199.122.32.0/20 57866 3356 721 721 199.122.56.0/21 6939 3356 721 721 199.123.72.0/21 57866 3356 721 721 199.123.80.0/21 57866 3356 721 721 199.123.91.0/24 57866 3356 721 721 199.123.104.0/21 57866 3356 721 721 199.123.122.0/23 6939 3356 721 721 199.124.16.0/21 57866 3356 721 721 199.208.0.0/15 57866 3356 721 721 + Announce - aggregate of 199.208.0.0/16 (57866 3356 721 721) and 199.209.0.0/16 (57866 3356 721 721) 199.208.0.0/16 57866 3356 721 721 - Withdrawn - aggregated with 199.209.0.0/16 (57866 3356 721 721) 199.209.0.0/16 57866 3356 721 721 - Withdrawn - aggregated with 199.208.0.0/16 (57866 3356 721 721) 199.211.64.0/18 57866 3356 721 721 199.211.128.0/17 57866 3356 721 721 199.211.176.0/20 6939 3356 721 721 199.211.192.0/18 57866 3356 721 721 - Withdrawn - matching aggregate 199.211.128.0/17 57866 3356 721 721 199.225.0.0/20 293 3356 721 721 199.251.0.0/16 57866 3356 721 721 199.252.32.0/20 57866 3356 721 721 199.252.128.0/18 57866 3356 721 721 199.252.143.0/24 57866 3356 721 721 - Withdrawn - matching aggregate 199.252.128.0/18 57866 3356 721 721 199.252.154.0/24 57866 3356 721 721 - Withdrawn - matching aggregate 199.252.128.0/18 57866 3356 721 721 199.252.155.0/24 57866 3356 721 721 - Withdrawn - matching aggregate 199.252.128.0/18 57866 3356 721 721 199.252.157.0/24 57866 3356 721 721 - Withdrawn - matching aggregate 199.252.128.0/18 57866 3356 721 721 199.252.162.0/24 57866 3356 721 721 - Withdrawn - matching aggregate 199.252.128.0/18 57866 3356 721 721 199.252.180.0/24 57866 3356 721 721 - Withdrawn - matching aggregate 199.252.128.0/18 57866 3356 721 721 204.34.0.0/16 57866 3356 721 721 204.34.186.0/24 57866 3356 721 721 - Withdrawn - matching aggregate 204.34.0.0/16 57866 3356 721 721 204.37.8.0/21 6939 3356 721 721 204.37.128.0/17 57866 3356 721 721 204.208.0.0/16 57866 3356 721 721 204.222.0.0/15 57866 3356 721 721 205.56.0.0/13 57866 3356 721 721 205.56.162.0/24 57866 3356 721 721 - Withdrawn - matching aggregate 205.56.0.0/13 57866 3356 721 721 205.64.0.0/11 57866 3356 721 721 205.69.238.0/24 6939 3356 721 721 205.96.0.0/13 57866 3356 721 721 205.104.0.0/14 57866 3356 721 721 + Announce - aggregate of 205.104.0.0/15 (57866 3356 721 721) and 205.106.0.0/15 (57866 3356 721 721) 205.104.0.0/15 57866 3356 721 721 - Withdrawn - aggregated with 205.106.0.0/15 (57866 3356 721 721) 205.106.0.0/15 57866 3356 721 721 - Withdrawn - aggregated with 205.104.0.0/15 (57866 3356 721 721) 205.108.0.0/15 57866 3356 721 721 205.110.0.0/16 57866 3356 721 721 205.115.0.0/16 57866 3356 721 721 206.37.0.0/16 57866 3356 721 721 206.37.202.0/24 3257 3356 721 721 206.38.0.0/15 57866 3356 721 721 + Announce - aggregate of 206.38.0.0/16 (57866 3356 721 721) and 206.39.0.0/16 (57866 3356 721 721) 206.38.0.0/16 57866 3356 721 721 - Withdrawn - aggregated with 206.39.0.0/16 (57866 3356 721 721) 206.39.0.0/16 57866 3356 721 721 - Withdrawn - aggregated with 206.38.0.0/16 (57866 3356 721 721) 207.132.0.0/15 57866 3356 721 721 209.22.0.0/16 57866 3356 721 721 214.0.0.0/8 57866 3356 721 721 214.40.0.0/16 57866 3356 721 721 - Withdrawn - matching aggregate 214.0.0.0/8 57866 3356 721 721 215.0.0.0/9 57866 3356 721 721 215.65.0.0/18 57866 3356 721 721 - Withdrawn - matching aggregate 215.0.0.0/9 57866 3356 721 721 215.67.59.0/24 57866 3356 721 721 - Withdrawn - matching aggregate 215.0.0.0/9 57866 3356 721 721
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS721 328 More Specifics 505 Total Advertisements DNIC-ASBLK-00721-00726, US
6.16.172.0/23 6.0.0.0/8
6.16.174.0/24 6.0.0.0/8
6.42.236.0/22 6.0.0.0/8
6.42.240.0/23 6.0.0.0/8
6.42.242.0/24 6.0.0.0/8
6.49.120.0/24 6.0.0.0/8
6.49.122.0/23 6.0.0.0/8
6.49.124.0/22 6.0.0.0/8
6.50.36.0/22 6.0.0.0/8
6.50.56.0/21 6.0.0.0/8
6.51.24.0/21 6.0.0.0/8
6.64.32.0/20 6.0.0.0/8
6.64.48.0/21 6.0.0.0/8
6.64.56.0/22 6.0.0.0/8
6.64.62.0/23 6.0.0.0/8
6.64.181.0/24 6.0.0.0/8
128.26.0.0/21 128.26.0.0/16
128.26.8.0/22 128.26.0.0/16
128.26.13.0/24 128.26.0.0/16
128.26.40.0/22 128.26.0.0/16
128.26.48.0/23 128.26.0.0/16
128.26.64.0/22 128.26.0.0/16
128.26.68.0/23 128.26.0.0/16
128.26.71.0/24 128.26.0.0/16
128.26.82.0/24 128.26.0.0/16
128.26.95.0/24 128.26.0.0/16
128.26.98.0/23 128.26.0.0/16
128.26.112.0/22 128.26.0.0/16
128.26.117.0/24 128.26.0.0/16
128.26.118.0/23 128.26.0.0/16
128.26.120.0/21 128.26.0.0/16
128.26.137.0/24 128.26.0.0/16
128.26.138.0/23 128.26.0.0/16
128.26.238.0/23 128.26.0.0/16
128.26.247.0/24 128.26.0.0/16
128.26.248.0/23 128.26.0.0/16
131.78.3.0/24 131.78.0.0/16
131.78.204.0/24 131.78.0.0/16
134.165.96.0/19 134.165.0.0/16
134.165.128.0/17 134.165.0.0/16
137.232.3.0/24 137.232.0.0/16
138.154.1.0/24 138.154.0.0/16
138.162.5.0/24 138.162.0.0/16
139.39.35.0/24 139.39.0.0/16
139.242.43.0/24 139.242.0.0/16
139.242.45.0/24 139.242.0.0/16
139.242.47.0/24 139.242.0.0/16
139.242.52.0/23 139.242.0.0/16
139.242.54.0/24 139.242.0.0/16
140.14.136.0/24 140.14.0.0/16
140.14.137.0/24 140.14.0.0/16
140.14.138.0/24 140.14.0.0/16
140.16.26.0/24 140.16.0.0/16
140.16.32.0/24 140.16.0.0/16
140.16.58.0/23 140.16.0.0/16
140.16.100.0/23 140.16.0.0/16
140.16.160.0/23 140.16.0.0/16
140.16.192.0/23 140.16.0.0/16
140.16.196.0/22 140.16.0.0/16
140.17.34.0/23 140.17.0.0/16
140.17.48.0/20 140.17.0.0/16
140.17.90.0/23 140.17.0.0/16
140.17.92.0/22 140.17.0.0/16
140.17.160.0/20 140.17.0.0/16
140.18.129.0/24 140.18.0.0/16
140.19.92.0/22 140.19.0.0/16
140.19.120.0/22 140.19.0.0/16
140.19.126.0/23 140.19.0.0/16
140.19.200.0/21 140.19.0.0/16
140.19.208.0/20 140.19.0.0/16
140.35.64.0/18 140.35.0.0/16
140.153.72.0/24 140.153.0.0/16
143.68.104.0/21 143.68.0.0/16
143.70.48.0/20 143.70.0.0/16
143.70.64.0/18 143.70.0.0/16
143.70.128.0/17 143.70.0.0/16
143.80.128.0/17 143.80.0.0/16
143.81.0.0/17 143.81.0.0/16
143.81.103.0/24 143.81.0.0/16
143.81.128.0/17 143.81.0.0/16
143.85.0.0/18 143.85.0.0/16
143.85.64.0/18 143.85.0.0/16
143.85.128.0/18 143.85.0.0/16
143.85.192.0/18 143.85.0.0/16
143.86.0.0/23 143.86.0.0/16
143.86.48.0/23 143.86.0.0/16
143.86.54.0/23 143.86.0.0/16
143.86.56.0/23 143.86.0.0/16
143.86.128.0/20 143.86.0.0/16
143.86.160.0/20 143.86.0.0/16
143.86.176.0/22 143.86.0.0/16
143.86.180.0/23 143.86.0.0/16
143.86.183.0/24 143.86.0.0/16
143.86.184.0/21 143.86.0.0/16
143.86.196.0/23 143.86.0.0/16
143.86.204.0/23 143.86.0.0/16
143.86.218.0/23 143.86.0.0/16
143.86.224.0/21 143.86.0.0/16
143.86.232.0/24 143.86.0.0/16
143.86.234.0/23 143.86.0.0/16
143.86.236.0/22 143.86.0.0/16
143.86.243.0/24 143.86.0.0/16
143.86.244.0/22 143.86.0.0/16
143.86.248.0/21 143.86.0.0/16
143.124.2.0/23 143.124.0.0/16
143.124.4.0/22 143.124.0.0/16
143.124.16.0/22 143.124.0.0/16
143.134.1.0/24 143.134.0.0/16
143.134.2.0/23 143.134.0.0/16
143.134.4.0/22 143.134.0.0/16
143.134.8.0/21 143.134.0.0/16
143.134.114.0/23 143.134.0.0/16
143.134.116.0/22 143.134.0.0/16
143.134.120.0/21 143.134.0.0/16
143.194.133.0/24 143.194.0.0/16
143.194.192.0/19 143.194.0.0/16
143.194.224.0/20 143.194.0.0/16
143.230.160.0/19 143.230.0.0/16
143.230.192.0/21 143.230.0.0/16
143.230.200.0/24 143.230.0.0/16
143.230.204.0/22 143.230.0.0/16
143.249.16.0/21 143.249.0.0/16
143.249.25.0/24 143.249.0.0/16
143.249.32.0/23 143.249.0.0/16
143.249.34.0/24 143.249.0.0/16
143.249.36.0/22 143.249.0.0/16
143.249.40.0/21 143.249.0.0/16
143.249.48.0/20 143.249.0.0/16
143.249.96.0/19 143.249.0.0/16
143.249.128.0/20 143.249.0.0/16
143.249.144.0/21 143.249.0.0/16
143.249.152.0/23 143.249.0.0/16
143.249.154.0/24 143.249.0.0/16
143.249.156.0/22 143.249.0.0/16
143.249.160.0/23 143.249.0.0/16
143.249.162.0/24 143.249.0.0/16
143.249.164.0/22 143.249.0.0/16
143.249.168.0/21 143.249.0.0/16
143.249.176.0/20 143.249.0.0/16
143.249.192.0/18 143.249.0.0/16
144.88.2.0/23 144.88.0.0/16
144.251.43.0/24 144.251.0.0/16
146.16.64.0/20 146.16.0.0/16
146.16.84.0/22 146.16.0.0/16
146.16.88.0/21 146.16.0.0/16
146.16.96.0/19 146.16.0.0/16
146.16.128.0/22 146.16.0.0/16
146.16.134.0/24 146.16.0.0/16
146.16.138.0/24 146.16.0.0/16
146.16.140.0/23 146.16.0.0/16
146.16.142.0/24 146.16.0.0/16
146.16.192.0/19 146.16.0.0/16
146.16.248.0/21 146.16.0.0/16
146.55.22.0/23 146.55.0.0/16
146.55.72.0/21 146.55.0.0/16
146.55.124.0/24 146.55.0.0/16
146.55.127.0/24 146.55.0.0/16
147.104.1.0/24 147.104.0.0/16
147.104.2.0/23 147.104.0.0/16
147.104.4.0/22 147.104.0.0/16
147.104.8.0/21 147.104.0.0/16
147.104.16.0/20 147.104.0.0/16
147.104.32.0/20 147.104.0.0/16
147.104.50.0/23 147.104.0.0/16
147.104.52.0/22 147.104.0.0/16
147.104.64.0/20 147.104.0.0/16
147.104.80.0/21 147.104.0.0/16
147.104.88.0/23 147.104.0.0/16
147.104.91.0/24 147.104.0.0/16
147.104.92.0/22 147.104.0.0/16
147.104.112.0/20 147.104.0.0/16
147.104.128.0/18 147.104.0.0/16
147.104.192.0/19 147.104.0.0/16
147.104.224.0/20 147.104.0.0/16
147.104.240.0/22 147.104.0.0/16
147.104.246.0/23 147.104.0.0/16
147.104.248.0/21 147.104.0.0/16
150.196.96.0/19 150.196.0.0/16
150.196.130.0/23 150.196.0.0/16
150.196.133.0/24 150.196.0.0/16
150.196.134.0/23 150.196.0.0/16
150.196.136.0/21 150.196.0.0/16
150.196.144.0/20 150.196.0.0/16
153.29.0.0/17 153.29.0.0/16
153.29.128.0/17 153.29.0.0/16
155.20.0.0/21 155.20.0.0/16
155.20.8.0/22 155.20.0.0/16
155.20.32.0/20 155.20.0.0/16
155.21.160.0/22 155.21.0.0/16
155.21.192.0/19 155.21.0.0/16
155.26.0.0/18 155.26.0.0/16
155.26.80.0/20 155.26.0.0/16
155.26.128.0/20 155.26.0.0/16
155.26.144.0/22 155.26.0.0/16
155.26.150.0/23 155.26.0.0/16
155.26.152.0/21 155.26.0.0/16
155.26.160.0/20 155.26.0.0/16
155.26.240.0/23 155.26.0.0/16
155.27.116.0/23 155.27.0.0/16
155.29.48.0/23 155.29.0.0/16
155.29.166.0/23 155.29.0.0/16
155.29.221.0/24 155.29.0.0/16
155.29.236.0/23 155.29.0.0/16
155.30.128.0/19 155.30.0.0/16
155.30.160.0/20 155.30.0.0/16
155.30.176.0/21 155.30.0.0/16
155.30.184.0/22 155.30.0.0/16
155.30.188.0/23 155.30.0.0/16
155.30.190.0/24 155.30.0.0/16
155.30.192.0/24 155.30.0.0/16
155.30.196.0/22 155.30.0.0/16
155.30.200.0/21 155.30.0.0/16
155.30.208.0/20 155.30.0.0/16
155.30.224.0/19 155.30.0.0/16
155.213.61.0/24 155.213.0.0/16
155.213.62.0/24 155.213.0.0/16
156.112.148.0/23 156.112.0.0/15
156.112.181.0/24 156.112.0.0/15
158.13.148.0/22 158.13.0.0/16
158.13.154.0/23 158.13.0.0/16
163.249.11.0/24 163.249.0.0/16
163.249.32.0/21 163.249.0.0/16
163.249.48.0/23 163.249.0.0/16
163.249.50.0/24 163.249.0.0/16
163.249.55.0/24 163.249.0.0/16
163.249.74.0/23 163.249.0.0/16
163.249.76.0/22 163.249.0.0/16
163.249.80.0/24 163.249.0.0/16
163.249.82.0/23 163.249.0.0/16
163.249.84.0/22 163.249.0.0/16
163.249.88.0/21 163.249.0.0/16
163.249.232.0/21 163.249.0.0/16
164.117.7.0/24 164.117.0.0/16
164.230.0.0/15 164.228.0.0/14
164.235.240.0/20 164.232.0.0/13
164.236.0.0/16 164.232.0.0/13
164.249.52.0/24 164.240.0.0/12
164.249.55.0/24 164.240.0.0/12
164.249.60.0/24 164.240.0.0/12
164.250.173.0/24 164.240.0.0/12
192.240.129.0/24 192.240.128.0/20
198.25.0.0/24 198.25.0.0/16
198.26.144.0/20 198.26.0.0/16
198.26.160.0/20 198.26.0.0/16
198.250.128.0/18 198.250.0.0/16
198.250.192.0/18 198.250.0.0/16
198.250.192.0/19 198.250.0.0/16
198.250.224.0/20 198.250.0.0/16
198.250.240.0/21 198.250.0.0/16
198.253.72.0/21 198.253.0.0/16
198.253.80.0/20 198.253.0.0/16
199.31.8.0/22 199.31.0.0/16
199.32.128.0/18 199.32.128.0/17
199.57.0.0/16 199.56.0.0/15
199.114.32.0/20 199.114.32.0/19
199.122.32.0/20 199.122.32.0/19
199.123.104.0/21 199.123.96.0/20
199.123.122.0/23 199.123.120.0/21
199.208.0.0/16 199.208.0.0/14
199.209.0.0/16 199.208.0.0/14
199.210.0.0/16 199.208.0.0/14
199.211.16.0/23 199.208.0.0/14
199.211.64.0/18 199.208.0.0/14
199.211.128.0/17 199.208.0.0/14
199.211.176.0/20 199.208.0.0/14
199.211.192.0/18 199.208.0.0/14
199.225.0.0/20 199.225.0.0/16
199.226.8.0/21 199.226.0.0/16
199.252.32.0/20 199.252.0.0/16
199.252.128.0/18 199.252.0.0/16
199.252.143.0/24 199.252.0.0/16
199.252.154.0/24 199.252.0.0/16
199.252.155.0/24 199.252.0.0/16
199.252.157.0/24 199.252.0.0/16
199.252.162.0/24 199.252.0.0/16
199.252.180.0/24 199.252.0.0/16
204.34.0.0/16 204.34.0.0/15
204.34.186.0/24 204.34.0.0/15
204.36.0.0/20 204.36.0.0/15
204.37.8.0/21 204.36.0.0/15
204.37.128.0/17 204.36.0.0/15
204.208.128.0/17 204.208.0.0/16
205.56.162.0/24 205.56.0.0/13
205.69.238.0/24 205.64.0.0/11
205.96.0.0/13 205.96.0.0/12
205.104.0.0/15 205.96.0.0/12
205.106.0.0/15 205.96.0.0/12
205.108.0.0/15 205.96.0.0/12
205.110.0.0/16 205.96.0.0/12
205.111.0.0/19 205.96.0.0/12
205.111.32.0/21 205.96.0.0/12
205.111.42.0/24 205.96.0.0/12
205.111.45.0/24 205.96.0.0/12
205.111.46.0/23 205.96.0.0/12
205.111.48.0/20 205.96.0.0/12
205.112.16.0/21 205.112.0.0/14
205.112.24.0/24 205.112.0.0/14
205.112.27.0/24 205.112.0.0/14
205.112.30.0/23 205.112.0.0/14
205.113.17.0/24 205.112.0.0/14
205.113.18.0/23 205.112.0.0/14
205.113.20.0/22 205.112.0.0/14
205.113.24.0/21 205.112.0.0/14
205.113.32.0/20 205.112.0.0/14
205.113.48.0/21 205.112.0.0/14
205.113.56.0/22 205.112.0.0/14
205.113.60.0/24 205.112.0.0/14
205.113.63.0/24 205.112.0.0/14
205.113.65.0/24 205.112.0.0/14
205.113.66.0/23 205.112.0.0/14
205.113.68.0/22 205.112.0.0/14
205.113.74.0/24 205.112.0.0/14
205.113.76.0/23 205.112.0.0/14
205.113.78.0/24 205.112.0.0/14
205.113.96.0/20 205.112.0.0/14
205.113.112.0/22 205.112.0.0/14
205.113.117.0/24 205.112.0.0/14
205.113.119.0/24 205.112.0.0/14
205.113.120.0/21 205.112.0.0/14
205.115.0.0/16 205.112.0.0/14
206.37.0.0/16 206.36.0.0/14
206.37.202.0/24 206.36.0.0/14
206.38.0.0/16 206.36.0.0/14
206.39.0.0/16 206.36.0.0/14
214.13.0.0/16 214.0.0.0/8
215.0.0.0/9 215.0.0.0/8
215.65.0.0/18 215.0.0.0/8
215.67.59.0/24 215.0.0.0/8
128.26.35.0/24 128.26.0.0/16
140.19.192.0/22 140.19.0.0/16
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 6.49.120.0/24 Announced
+ 128.26.137.0/24 Announced
+ 143.249.168.0/21 Announced
+ 144.102.0.0/15 Announced
+ 144.102.0.0/16 Announced
+ 192.108.2.0/23 Announced
+ 192.108.222.0/23 Announced
+ 192.153.144.0/23 Announced
+ 192.207.228.0/22 Announced
+ 198.49.232.0/22 Announced
+ 198.97.70.0/23 Announced
+ 199.31.8.0/22 Announced
+ 199.114.8.0/22 Announced
+ 199.226.8.0/21 Announced
+ 204.36.0.0/20 Announced
- 128.26.35.0/24 Withdrawn
- 140.19.192.0/22 Withdrawn
- 141.234.0.0/15 Withdrawn
| Prefix | Origin AS | AS Description | Unallocated block |
|---|---|---|---|
| 198.97.240.0/20 | AS721 | DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD), US | 198.97.241.0 - 198.97.241.255 |
whois: 402603
IANA has recorded AS721 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS721\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: 721 - 726
ASName: DNIC-ASBLK-00721-00726
ASHandle: AS721
RegDate:
Updated: 2025-09-12
Ref: https://rdap.arin.net/registry/autnum/721
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.
#