AS7301 National Academy of Sciences

NAS-AS - National Academy of Sciences · registered in the United States

IPv4 addresses65,5361 prefixes · 0.002% of announced IPv4

Rank in United States#1,108largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#3,098of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS7301 in ASN lookup Look up an IP in this network (144.171.0.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

144.171.0.0/16

Other ASNs named National Academy of Sciences

1 other network uses the same organisation name; together with AS7301 they announce 66,048 IPv4 addresses.

ASNNameIPv4 addresses

AS2633NAS1-AS - National Academy of Sciences US512

Similar-sized networks in United States

ASNNameIPv4 addresses

AS7152#1105 REDCROSS-ASN - American Red Cross65,536

AS7202#1106 FAMU - Florida A & M University65,536

AS7281#1107 BOOZ-AS - Booz Allen Hamilton Inc.65,536

AS7355#1109 MEITCA-AS - Mitsubishi Electric ITA (HSL)65,536

AS7386#1110 ILLINOIS-STATE-UNIV - Illinois State University65,536

AS7849#1111 APC-CC - RingSquared CC65,536

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