270 AS270, US
Adjacency: 5 Upstream: 1 Downstream: 4
Upstream Adjacent AS list
AS297 AS297, US
Downstream Adjacent AS list
AS2143 AS2143, US
AS7847 NASA-HPCC-ESS, US
AS372 AS372, US
AS1701 AS1701, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 245 AS270 ORG+TRN Originate: 2220288 /10.92 Transit: 200192 /14.39 AS270, 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 % 1286 AS270 AS270, US 186 72 25 139 47 25.27% Prefix AS Path Aggregation Suggestion 128.102.0.0/16 6939 297 270 128.154.0.0/17 293 297 270 128.154.128.0/17 6939 297 270 128.155.0.0/16 6939 297 270 128.156.0.0/16 293 297 270 128.157.0.0/16 6939 297 270 128.158.0.0/16 293 297 270 128.159.0.0/16 6939 297 270 128.183.0.0/16 6939 297 270 128.217.0.0/16 6939 297 270 129.164.0.0/16 293 297 270 129.164.128.0/17 6939 297 270 129.168.0.0/16 293 297 270 129.168.0.0/18 6939 297 297 297 270 129.168.64.0/18 6939 297 270 129.168.128.0/17 6939 297 270 + Announce - aggregate of 129.168.128.0/18 (6939 297 270) and 129.168.192.0/18 (6939 297 270) 129.168.128.0/18 6939 297 270 - Withdrawn - aggregated with 129.168.192.0/18 (6939 297 270) 129.168.192.0/18 6939 297 270 - Withdrawn - aggregated with 129.168.128.0/18 (6939 297 270) 130.40.0.0/16 6939 297 270 130.134.0.0/15 6939 297 270 + Announce - aggregate of 130.134.0.0/16 (6939 297 270) and 130.135.0.0/16 (6939 297 270) 130.134.0.0/16 6939 297 270 - Withdrawn - aggregated with 130.135.0.0/16 (6939 297 270) 130.135.0.0/16 6939 297 270 - Withdrawn - aggregated with 130.134.0.0/16 (6939 297 270) 134.12.0.0/17 6939 297 270 134.118.96.0/19 6939 297 270 134.118.112.0/22 6939 297 270 - Withdrawn - matching aggregate 134.118.96.0/19 6939 297 270 136.178.0.0/16 6939 297 270 138.115.0.0/16 293 297 270 139.88.0.0/16 293 297 270 139.169.0.0/16 6939 297 270 143.232.0.0/16 6939 297 270 146.154.0.0/16 6939 297 270 146.165.0.0/16 6939 297 270 148.114.0.0/16 6939 297 270 156.68.0.0/16 293 297 270 156.68.0.0/19 6939 297 270 + Announce - aggregate of 156.68.0.0/20 (6939 297 270) and 156.68.16.0/20 (6939 297 270) 156.68.0.0/20 6939 297 270 - Withdrawn - aggregated with 156.68.16.0/20 (6939 297 270) 156.68.16.0/20 6939 297 270 - Withdrawn - aggregated with 156.68.0.0/20 (6939 297 270) 156.68.31.0/24 6939 297 297 297 270 156.68.32.0/22 6939 297 297 297 270 156.68.36.0/22 6939 297 270 156.68.40.0/21 6939 297 270 156.68.48.0/21 6939 297 270 156.68.56.0/22 6939 297 297 297 270 + Announce - aggregate of 156.68.56.0/23 (6939 297 297 297 270) and 156.68.58.0/23 (6939 297 297 297 270) 156.68.56.0/23 6939 297 297 297 270 - Withdrawn - aggregated with 156.68.58.0/23 (6939 297 297 297 270) 156.68.58.0/23 6939 297 297 297 270 - Withdrawn - aggregated with 156.68.56.0/23 (6939 297 297 297 270) 156.68.60.0/22 6939 297 270 156.68.64.0/22 6939 297 270 156.68.68.0/22 6939 297 297 297 270 156.68.72.0/21 6939 297 270 156.68.80.0/20 6939 297 270 + Announce - aggregate of 156.68.80.0/21 (6939 297 270) and 156.68.88.0/21 (6939 297 270) 156.68.80.0/21 6939 297 270 - Withdrawn - aggregated with 156.68.88.0/21 (6939 297 270) 156.68.88.0/23 6939 297 270 - Withdrawn - aggregated with 156.68.90.0/23 (6939 297 270) 156.68.90.0/23 6939 297 270 - Withdrawn - aggregated with 156.68.88.0/23 (6939 297 270) 156.68.92.0/22 6939 297 270 - Withdrawn - aggregated with 156.68.88.0/22 (6939 297 270) 156.68.96.0/20 6939 297 270 156.68.112.0/20 6939 297 297 297 270 156.68.128.0/21 6939 297 297 297 270 156.68.136.0/21 6939 297 270 156.68.144.0/21 6939 297 297 297 270 156.68.152.0/21 6939 297 270 156.68.160.0/21 6939 297 297 297 270 156.68.168.0/21 6939 297 270 156.68.176.0/21 6939 297 270 156.68.184.0/21 6939 297 297 297 270 156.68.192.0/24 6939 297 270 156.68.193.0/24 6939 297 297 297 270 156.68.194.0/24 6939 297 270 156.68.195.0/24 6939 297 297 297 270 156.68.200.0/21 6939 297 297 297 270 156.68.208.0/21 6939 297 297 297 270 156.68.216.0/21 6939 297 270 156.68.224.0/20 6939 297 270 + Announce - aggregate of 156.68.224.0/21 (6939 297 270) and 156.68.232.0/21 (6939 297 270) 156.68.224.0/21 6939 297 270 - Withdrawn - aggregated with 156.68.232.0/21 (6939 297 270) 156.68.232.0/21 6939 297 270 - Withdrawn - aggregated with 156.68.224.0/21 (6939 297 270) 156.68.240.0/21 6939 297 270 156.68.248.0/22 6939 297 270 156.68.252.0/22 6939 297 297 297 270 158.154.0.0/16 11537 297 270 163.205.0.0/16 293 297 270 163.206.0.0/16 6939 297 270 192.48.14.0/24 2914 297 270 192.52.78.0/24 6939 297 270 192.52.80.0/21 6939 297 270 + Announce - aggregate of 192.52.80.0/22 (6939 297 270) and 192.52.84.0/22 (6939 297 270) 192.52.80.0/24 6939 297 270 - Withdrawn - aggregated with 192.52.81.0/24 (6939 297 270) 192.52.81.0/24 6939 297 270 - Withdrawn - aggregated with 192.52.80.0/24 (6939 297 270) 192.52.82.0/24 6939 297 270 - Withdrawn - aggregated with 192.52.83.0/24 (6939 297 270) 192.52.83.0/24 6939 297 270 - Withdrawn - aggregated with 192.52.82.0/24 (6939 297 270) 192.52.84.0/24 6939 297 270 - Withdrawn - aggregated with 192.52.85.0/24 (6939 297 270) 192.52.85.0/24 6939 297 270 - Withdrawn - aggregated with 192.52.84.0/24 (6939 297 270) 192.52.86.0/24 6939 297 270 - Withdrawn - aggregated with 192.52.87.0/24 (6939 297 270) 192.52.87.0/24 6939 297 270 - Withdrawn - aggregated with 192.52.86.0/24 (6939 297 270) 192.52.88.0/22 6939 297 270 + Announce - aggregate of 192.52.88.0/23 (6939 297 270) and 192.52.90.0/23 (6939 297 270) 192.52.88.0/24 6939 297 270 - Withdrawn - aggregated with 192.52.89.0/24 (6939 297 270) 192.52.89.0/24 6939 297 270 - Withdrawn - aggregated with 192.52.88.0/24 (6939 297 270) 192.52.90.0/24 6939 297 270 - Withdrawn - aggregated with 192.52.91.0/24 (6939 297 270) 192.52.91.0/24 6939 297 270 - Withdrawn - aggregated with 192.52.90.0/24 (6939 297 270) 192.52.92.0/24 6939 297 270 192.52.94.0/23 6939 297 270 + Announce - aggregate of 192.52.94.0/24 (6939 297 270) and 192.52.95.0/24 (6939 297 270) 192.52.94.0/24 6939 297 270 - Withdrawn - aggregated with 192.52.95.0/24 (6939 297 270) 192.52.95.0/24 6939 297 270 - Withdrawn - aggregated with 192.52.94.0/24 (6939 297 270) 192.52.98.0/24 6939 297 270 192.52.198.0/24 6939 297 270 192.52.206.0/23 6939 297 270 + Announce - aggregate of 192.52.206.0/24 (6939 297 270) and 192.52.207.0/24 (6939 297 270) 192.52.206.0/24 6939 297 270 - Withdrawn - aggregated with 192.52.207.0/24 (6939 297 270) 192.52.207.0/24 6939 297 270 - Withdrawn - aggregated with 192.52.206.0/24 (6939 297 270) 192.52.211.0/24 6939 297 270 192.52.212.0/22 6939 297 270 + Announce - aggregate of 192.52.212.0/23 (6939 297 270) and 192.52.214.0/23 (6939 297 270) 192.52.212.0/24 6939 297 270 - Withdrawn - aggregated with 192.52.213.0/24 (6939 297 270) 192.52.213.0/24 6939 297 270 - Withdrawn - aggregated with 192.52.212.0/24 (6939 297 270) 192.52.214.0/24 6939 297 270 - Withdrawn - aggregated with 192.52.215.0/24 (6939 297 270) 192.52.215.0/24 6939 297 270 - Withdrawn - aggregated with 192.52.214.0/24 (6939 297 270) 192.52.216.0/23 6939 297 270 + Announce - aggregate of 192.52.216.0/24 (6939 297 270) and 192.52.217.0/24 (6939 297 270) 192.52.216.0/24 6939 297 270 - Withdrawn - aggregated with 192.52.217.0/24 (6939 297 270) 192.52.217.0/24 6939 297 270 - Withdrawn - aggregated with 192.52.216.0/24 (6939 297 270) 192.55.90.0/23 2914 297 270 192.58.19.0/24 293 297 270 192.58.21.0/24 293 297 270 192.58.36.0/24 293 297 270 192.67.109.0/24 293 297 270 192.67.110.0/24 293 297 270 192.67.115.0/24 293 297 270 192.67.186.0/24 293 297 270 192.68.192.0/24 6939 297 270 192.68.194.0/24 6939 297 270 192.68.196.0/23 6939 297 270 + Announce - aggregate of 192.68.196.0/24 (6939 297 270) and 192.68.197.0/24 (6939 297 270) 192.68.196.0/24 6939 297 270 - Withdrawn - aggregated with 192.68.197.0/24 (6939 297 270) 192.68.197.0/24 6939 297 270 - Withdrawn - aggregated with 192.68.196.0/24 (6939 297 270) 192.70.120.0/24 6939 297 270 192.70.122.0/23 6939 297 270 + Announce - aggregate of 192.70.122.0/24 (6939 297 270) and 192.70.123.0/24 (6939 297 270) 192.70.122.0/24 6939 297 270 - Withdrawn - aggregated with 192.70.123.0/24 (6939 297 270) 192.70.123.0/24 6939 297 270 - Withdrawn - aggregated with 192.70.122.0/24 (6939 297 270) 192.70.124.0/23 6939 297 270 + Announce - aggregate of 192.70.124.0/24 (6939 297 270) and 192.70.125.0/24 (6939 297 270) 192.70.124.0/24 6939 297 270 - Withdrawn - aggregated with 192.70.125.0/24 (6939 297 270) 192.70.125.0/24 6939 297 270 - Withdrawn - aggregated with 192.70.124.0/24 (6939 297 270) 192.70.126.0/24 6939 297 270 192.76.235.0/24 2914 297 270 192.77.26.0/23 6939 297 270 + Announce - aggregate of 192.77.26.0/24 (6939 297 270) and 192.77.27.0/24 (6939 297 270) 192.77.26.0/24 6939 297 270 - Withdrawn - aggregated with 192.77.27.0/24 (6939 297 270) 192.77.27.0/24 6939 297 270 - Withdrawn - aggregated with 192.77.26.0/24 (6939 297 270) 192.77.28.0/22 6939 297 270 + Announce - aggregate of 192.77.28.0/23 (6939 297 270) and 192.77.30.0/23 (6939 297 270) 192.77.28.0/24 6939 297 270 - Withdrawn - aggregated with 192.77.29.0/24 (6939 297 270) 192.77.29.0/24 6939 297 270 - Withdrawn - aggregated with 192.77.28.0/24 (6939 297 270) 192.77.30.0/24 6939 297 270 - Withdrawn - aggregated with 192.77.31.0/24 (6939 297 270) 192.77.31.0/24 6939 297 270 - Withdrawn - aggregated with 192.77.30.0/24 (6939 297 270) 192.77.32.0/21 6939 297 270 192.77.40.0/22 6939 297 270 + Announce - aggregate of 192.77.40.0/23 (6939 297 270) and 192.77.42.0/23 (6939 297 270) 192.77.40.0/23 6939 297 270 - Withdrawn - aggregated with 192.77.42.0/23 (6939 297 270) 192.77.42.0/24 6939 297 270 - Withdrawn - aggregated with 192.77.43.0/24 (6939 297 270) 192.77.43.0/24 6939 297 270 - Withdrawn - aggregated with 192.77.42.0/24 (6939 297 270) 192.77.44.0/23 6939 297 270 + Announce - aggregate of 192.77.44.0/24 (6939 297 270) and 192.77.45.0/24 (6939 297 270) 192.77.44.0/24 6939 297 270 - Withdrawn - aggregated with 192.77.45.0/24 (6939 297 270) 192.77.45.0/24 6939 297 270 - Withdrawn - aggregated with 192.77.44.0/24 (6939 297 270) 192.77.80.0/20 293 297 270 192.88.31.0/24 2914 297 270 192.88.32.0/24 6939 297 270 192.88.33.0/24 2914 297 270 192.88.36.0/23 2914 297 270 + Announce - aggregate of 192.88.36.0/24 (2914 297 270) and 192.88.37.0/24 (2914 297 270) 192.88.36.0/24 2914 297 270 - Withdrawn - aggregated with 192.88.37.0/24 (2914 297 270) 192.88.37.0/24 2914 297 270 - Withdrawn - aggregated with 192.88.36.0/24 (2914 297 270) 192.88.40.0/23 6939 297 270 192.88.43.0/24 2914 297 270 192.88.44.0/24 2914 297 270 192.88.46.0/24 2914 297 270 192.88.48.0/23 2914 297 270 + Announce - aggregate of 192.88.48.0/24 (2914 297 270) and 192.88.49.0/24 (2914 297 270) 192.88.48.0/24 2914 297 270 - Withdrawn - aggregated with 192.88.49.0/24 (2914 297 270) 192.88.49.0/24 2914 297 270 - Withdrawn - aggregated with 192.88.48.0/24 (2914 297 270) 192.92.197.0/24 293 297 270 192.92.198.0/23 293 297 270 + Announce - aggregate of 192.92.198.0/24 (293 297 270) and 192.92.199.0/24 (293 297 270) 192.92.198.0/24 293 297 270 - Withdrawn - aggregated with 192.92.199.0/24 (293 297 270) 192.92.199.0/24 293 297 270 - Withdrawn - aggregated with 192.92.198.0/24 (293 297 270) 192.100.9.0/24 293 297 270 192.100.14.0/24 293 297 270 192.107.191.0/24 6939 297 270 192.112.9.0/24 293 297 270 192.112.10.0/23 6939 297 270 + Announce - aggregate of 192.112.10.0/24 (6939 297 270) and 192.112.11.0/24 (6939 297 270) 192.112.10.0/24 6939 297 270 - Withdrawn - aggregated with 192.112.11.0/24 (6939 297 270) 192.112.11.0/24 6939 297 270 - Withdrawn - aggregated with 192.112.10.0/24 (6939 297 270) 192.112.16.0/22 293 297 270 192.112.224.0/24 293 297 270 192.112.230.0/24 293 297 270 192.149.107.0/24 293 297 270 192.149.128.0/24 293 297 270 192.149.140.0/23 293 297 270 + Announce - aggregate of 192.149.140.0/24 (293 297 270) and 192.149.141.0/24 (293 297 270) 192.149.140.0/24 293 297 270 - Withdrawn - aggregated with 192.149.141.0/24 (293 297 270) 192.149.141.0/24 293 297 270 - Withdrawn - aggregated with 192.149.140.0/24 (293 297 270) 192.150.32.0/21 293 297 270 192.160.74.0/24 6939 297 270 192.160.78.0/24 6939 297 270 192.189.100.0/24 6939 297 270 192.225.64.0/19 293 297 270 192.225.88.0/24 6939 297 270 194.85.23.0/24 293 297 270 198.27.34.0/24 6939 297 270 198.27.37.0/24 6939 297 270 198.27.39.0/24 6939 297 270 198.27.40.0/21 6939 297 270 + Announce - aggregate of 198.27.40.0/22 (6939 297 270) and 198.27.44.0/22 (6939 297 270) 198.27.40.0/24 6939 297 270 - Withdrawn - aggregated with 198.27.41.0/24 (6939 297 270) 198.27.41.0/24 6939 297 270 - Withdrawn - aggregated with 198.27.40.0/24 (6939 297 270) 198.27.42.0/24 6939 297 270 - Withdrawn - aggregated with 198.27.43.0/24 (6939 297 270) 198.27.43.0/24 6939 297 270 - Withdrawn - aggregated with 198.27.42.0/24 (6939 297 270) 198.27.44.0/24 6939 297 270 - Withdrawn - aggregated with 198.27.45.0/24 (6939 297 270) 198.27.45.0/24 6939 297 270 - Withdrawn - aggregated with 198.27.44.0/24 (6939 297 270) 198.27.46.0/24 6939 297 270 - Withdrawn - aggregated with 198.27.47.0/24 (6939 297 270) 198.27.47.0/24 6939 297 270 - Withdrawn - aggregated with 198.27.46.0/24 (6939 297 270) 198.27.49.0/24 6939 297 270 198.116.240.0/21 6939 297 297 297 270 198.116.248.0/21 6939 297 270 198.119.2.0/24 2914 297 270 198.120.0.0/14 293 297 270 198.182.28.0/24 293 297 270 198.182.30.0/23 11537 297 270
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS270 58 More Specifics 120 Total Advertisements AS270, US
128.154.0.0/17 128.154.0.0/16
128.154.128.0/17 128.154.0.0/16
129.164.128.0/17 129.164.0.0/16
134.12.0.0/17 134.12.0.0/16
134.118.96.0/19 134.118.0.0/16
134.118.112.0/22 134.118.0.0/16
192.48.14.0/24 192.48.0.0/20
192.52.198.0/24 192.52.198.0/23
192.52.206.0/24 192.52.200.0/21
192.52.207.0/24 192.52.200.0/21
192.52.211.0/24 192.52.208.0/21
192.52.212.0/24 192.52.208.0/21
192.52.213.0/24 192.52.208.0/21
192.52.214.0/24 192.52.208.0/21
192.52.215.0/24 192.52.208.0/21
192.52.216.0/24 192.52.216.0/23
192.52.217.0/24 192.52.216.0/23
192.58.21.0/24 192.58.20.0/22
192.67.109.0/24 192.67.108.0/22
192.67.110.0/24 192.67.108.0/22
192.67.115.0/24 192.67.112.0/21
192.76.235.0/24 192.76.232.0/22
192.88.31.0/24 192.88.30.0/23
192.88.32.0/24 192.88.32.0/20
192.88.33.0/24 192.88.32.0/20
192.88.36.0/24 192.88.32.0/20
192.88.37.0/24 192.88.32.0/20
192.88.40.0/23 192.88.32.0/20
192.88.43.0/24 192.88.32.0/20
192.88.44.0/24 192.88.32.0/20
192.88.46.0/24 192.88.32.0/20
192.88.48.0/24 192.88.48.0/23
192.88.49.0/24 192.88.48.0/23
192.112.9.0/24 192.112.8.0/22
192.112.10.0/24 192.112.8.0/22
192.112.11.0/24 192.112.8.0/22
192.112.224.0/24 192.112.224.0/20
192.112.230.0/24 192.112.224.0/20
192.149.128.0/24 192.149.128.0/21
192.149.140.0/24 192.149.140.0/22
192.149.141.0/24 192.149.140.0/22
192.225.88.0/24 192.225.64.0/19
194.85.23.0/24 194.85.20.0/22
198.27.34.0/24 198.27.32.0/20
198.27.37.0/24 198.27.32.0/20
198.27.39.0/24 198.27.32.0/20
198.27.40.0/24 198.27.32.0/20
198.27.41.0/24 198.27.32.0/20
198.27.42.0/24 198.27.32.0/20
198.27.43.0/24 198.27.32.0/20
198.27.44.0/24 198.27.32.0/20
198.27.45.0/24 198.27.32.0/20
198.27.46.0/24 198.27.32.0/20
198.27.47.0/24 198.27.32.0/20
198.27.49.0/24 198.27.48.0/21
198.119.2.0/24 198.116.0.0/14
198.182.28.0/24 198.182.16.0/20
198.182.30.0/23 198.182.16.0/20
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 192.67.120.0/22 Announced
+ 192.92.184.0/23 Announced
+ 192.149.89.0/24 Announced
- 192.92.199.0/24 Withdrawn
whois: 402603
IANA has recorded AS270 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS270\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: 270
ASName: AS270
ASHandle: AS270
RegDate: 1989-02-24
Updated: 2024-12-16
Ref: https://rdap.arin.net/registry/autnum/270
OrgName: National Aeronautics and Space Administration
OrgId: NASA-Z
Address: IS05/Office of the Chief Information Officer
City: MSFC
StateProv: AL
PostalCode: 35812
Country: US
RegDate: 2024-12-13
Updated: 2025-08-27
Ref: https://rdap.arin.net/registry/entity/NASA-Z
OrgAbuseHandle: NASAA-ARIN
OrgAbuseName: NASA Abuse
OrgAbusePhone: +1-800-762-7472
OrgAbuseEmail: abuse@nasa.gov
OrgAbuseRef: https://rdap.arin.net/registry/entity/NASAA-ARIN
OrgNOCHandle: NISN-ARIN
OrgNOCName: NASA Information Services Network
OrgNOCPhone: +1-256-961-4000
OrgNOCEmail: noc@nisn.nasa.gov
OrgNOCRef: https://rdap.arin.net/registry/entity/NISN-ARIN
OrgTechHandle: IPAMO-ARIN
OrgTechName: DDI Operations
OrgTechPhone: +1-256-961-4726
OrgTechEmail: dns@nasa.gov
OrgTechRef: https://rdap.arin.net/registry/entity/IPAMO-ARIN
OrgTechHandle: RFBJ-ARIN
OrgTechName: Bischof, Jr., Ralph F.
OrgTechPhone: +1-256-961-4000
OrgTechEmail: dns@nasa.gov
OrgTechRef: https://rdap.arin.net/registry/entity/RFBJ-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.
#