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AS6629 National Oceanic and Atmospheric Administration

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

IPv4 addresses2561 prefixes · <0.001% of announced IPv4
Rank in United States#12,913largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#60,096of 79,396 networks with IPv4
IPv6992 x /487 prefixes
CountryUnited States18,679 ASNs registered there

IPv4 prefixes

All 1 prefix, in address order.

  • 192.102.88.0/24

IPv6 prefixes

All 7 prefixes.

  • 2610:20:8000::/43
  • 2610:20:8030::/44
  • 2610:20:8050::/44
  • 2610:20:8060::/43
  • 2610:20:8080::/41
  • 2610:20:8100::/40
  • 2610:20:8200::/39

Other ASNs named National Oceanic and Atmospheric Administration

5 other networks use the same organisation name; together with AS6629 they announce 503,296 IPv4 addresses.

ASNNameIPv4 addresses
AS3477NOAA-NWAVE - National Oceanic and Atmospheric Administration US321,280
AS2648NOAA-BOULDER - National Oceanic and Atmospheric Administration US112,384
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

Similar-sized networks in United States

ASNNameIPv4 addresses
AS33648#12910 INTERNET-LLC - Patriot Broadband256
AS216321#12911 ZEROAV-EU Zero Attack Vector LLC256
AS398483#12912 SRS-PHARMACY - SRS Pharmacy Systems, Inc.256
AS396322#12914 PC-ASN - Peace Corps256
AS21805#12915 MRHAMEL - Ryan Hamel256
AS198304#12916 DOVENET - MoeDove256

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