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AS2648 National Oceanic and Atmospheric Administration

NOAA-BOULDER - National Oceanic and Atmospheric Administration · registered in the United States

IPv4 addresses112,38416 prefixes · 0.004% of announced IPv4
Rank in United States#597largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#1,773of 79,396 networks with IPv4
IPv6260 x /482 prefixes
CountryUnited States18,679 ASNs registered there

IPv4 prefixes

All 16 prefixes, in address order.

  • 132.163.0.0/18
  • 132.163.67.0/24
  • 132.163.68.0/22
  • 132.163.72.0/21
  • 132.163.80.0/20
  • 132.163.98.0/23
  • 132.163.100.0/22
  • 132.163.104.0/21
  • 132.163.112.0/20
  • 132.163.128.0/17
  • 137.75.0.0/18
  • 137.75.128.0/18
  • 137.75.192.0/19
  • 137.75.228.0/22
  • 137.75.232.0/21
  • 137.75.240.0/20

IPv6 prefixes

All 2 prefixes.

  • 2610:20:6b00::/40
  • 2610:20:8804::/46

Other ASNs named National Oceanic and Atmospheric Administration

5 other networks use the same organisation name; together with AS2648 they announce 503,296 IPv4 addresses.

ASNNameIPv4 addresses
AS3477NOAA-NWAVE - National Oceanic and Atmospheric Administration US321,280
AS7764CENSUSBUREAU - National Oceanic and Atmospheric Administration US65,536
AS26100NOAA-PACIFIC-REGION-CENTER - National Oceanic and Atmospheric Administration US2,304
AS10616NTIS - National Oceanic and Atmospheric Administration US1,536
AS6629NOAA-SILVERSPRING - National Oceanic and Atmospheric Administration US256

Similar-sized networks in United States

ASNNameIPv4 addresses
AS10835#594 VISIONARY - Visionary Communications LLC113,920
AS984#595 OWS-NETWORK - OCTOPUS WEB SOLUTION INC113,920
AS5009#596 EATEL - REV112,640
AS33665#598 CMCS - Comcast Cable Communications, LLC112,128
AS47007#599 AS4-COLOAM - Colocation America Corporation111,872
AS14492#600 DATAPIPE - DataPipe, Inc.111,360

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