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AS270 National Aeronautics and Space Administration

AS270 - National Aeronautics and Space Administration · registered in the United States

IPv4 addresses1,859,328108 prefixes · 0.059% of announced IPv4
Rank in United States#61largest network in US by IPv4 space, of 18,338 · 0.14% of US
Rank worldwide#206of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryUnited States18,679 ASNs registered there
Open AS270 in ASN lookup Look up an IP in this network (128.102.0.1) All networks in United States

IPv4 prefixes

All 108 prefixes, in address order.

  • 128.102.0.0/16
  • 128.154.0.0/15
  • 128.156.0.0/14
  • 128.183.0.0/16
  • 128.217.0.0/16
  • 129.164.0.0/16
  • 129.168.0.0/16
  • 130.40.0.0/16
  • 130.134.0.0/15
  • 131.182.0.0/16
  • 134.12.0.0/17
  • 134.118.96.0/20
  • 134.118.112.0/22
  • 134.118.116.0/22
  • 134.118.120.0/21
  • 136.178.0.0/16
  • 138.115.0.0/16
  • 139.88.0.0/16
  • 139.169.0.0/16
  • 143.232.0.0/16
  • 146.154.0.0/16
  • 146.165.0.0/16
  • 148.114.0.0/16
  • 156.68.0.0/17
  • 156.68.128.0/18
  • 156.68.192.0/22
  • 156.68.196.0/22
  • 156.68.200.0/21
  • 156.68.208.0/20
  • 156.68.224.0/19
  • 158.154.0.0/16
  • 163.205.0.0/16
  • 163.206.0.0/16
  • 192.48.14.0/24
  • 192.52.78.0/24
  • 192.52.80.0/21
  • 192.52.88.0/22
  • 192.52.92.0/24
  • 192.52.94.0/23
  • 192.52.98.0/24
  • 192.52.198.0/24
  • 192.52.206.0/23
  • 192.52.211.0/24
  • 192.52.212.0/22
  • 192.52.216.0/23
  • 192.55.90.0/23
  • 192.58.19.0/24
  • 192.58.21.0/24
  • 192.58.36.0/24
  • 192.67.109.0/24
  • 192.67.110.0/24
  • 192.67.115.0/24
  • 192.67.186.0/24
  • 192.68.192.0/24
  • 192.68.194.0/24
  • 192.68.196.0/23
  • 192.70.120.0/24
  • 192.70.122.0/23
  • 192.70.124.0/23
  • 192.70.126.0/24
  • 192.76.235.0/24
  • 192.77.26.0/23
  • 192.77.28.0/22
  • 192.77.32.0/21
  • 192.77.40.0/22
  • 192.77.44.0/23
  • 192.77.80.0/20
  • 192.88.31.0/24
  • 192.88.32.0/23
  • 192.88.36.0/23
  • 192.88.40.0/23
  • 192.88.43.0/24
  • 192.88.44.0/24
  • 192.88.46.0/24
  • 192.88.48.0/23
  • 192.92.197.0/24
  • 192.92.198.0/23
  • 192.100.9.0/24
  • 192.100.14.0/24
  • 192.107.191.0/24
  • 192.112.9.0/24
  • 192.112.10.0/23
  • 192.112.16.0/22
  • 192.112.224.0/24
  • 192.112.230.0/24
  • 192.149.107.0/24
  • 192.149.128.0/24
  • 192.149.140.0/23
  • 192.150.32.0/21
  • 192.160.74.0/24
  • 192.160.78.0/24
  • 192.189.100.0/24
  • 192.225.64.0/20
  • 192.225.80.0/21
  • 192.225.88.0/24
  • 192.225.89.0/24
  • 192.225.90.0/23
  • 192.225.92.0/22
  • 194.85.23.0/24
  • 198.27.34.0/24
  • 198.27.37.0/24
  • 198.27.39.0/24
  • 198.27.40.0/21
  • 198.27.49.0/24
  • 198.116.240.0/20
  • 198.119.2.0/24
  • 198.182.28.0/24
  • 198.182.30.0/23

Other ASNs named National Aeronautics and Space Administration

8 other networks use the same organisation name; together with AS270 they announce 2,839,554 IPv4 addresses.

ASNNameIPv4 addresses
AS297AS297 - National Aeronautics and Space Administration US649,472
AS1701AS1701 - National Aeronautics and Space Administration US131,072
AS10343AS10343 - National Aeronautics and Space Administration US123,904
AS24AS24 - National Aeronautics and Space Administration US65,538
AS1848AS1848 - National Aeronautics and Space Administration US6,144
AS372AS372 - National Aeronautics and Space Administration US1,792
AS2143AS2143 - National Aeronautics and Space Administration US1,792
AS21556NARC-EROOT - National Aeronautics and Space Administration US512

Similar-sized networks in United States

ASNNameIPv4 addresses
AS81#58 NCREN - MCNC1,957,376
AS2152#59 CENIC-2152 - CENIC1,916,161
AS5972#60 DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD)1,865,472
AS33668#62 CMCS - Comcast Cable Communications, LLC1,857,536
AS3#63 MIT-GATEWAYS - Massachusetts Institute of Technology1,836,287
AS4181#64 TDS-AS - TDS TELECOM1,806,592

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources