Home
/
ASN directory
/
AS372
AS372 National Aeronautics and Space Administration
AS372 - National Aeronautics and Space Administration · registered in the United States
IPv4 addresses 1,792 5 prefixes · <0.001% of announced IPv4
Rank in United States #6,579 largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide #24,993 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
IPv4 prefixes
All 5 prefixes, in address order.
129.166.6.0/23 192.77.77.0/24 192.149.129.0/24 192.149.130.0/23 192.149.144.0/24
Other ASNs named National Aeronautics and Space Administration
8 other networks use the same organisation name; together with AS372 they announce 2,839,554 IPv4 addresses.
ASN Name IPv4 addresses
AS270 AS270 - National Aeronautics and Space Administration US 1,859,328 AS297 AS297 - National Aeronautics and Space Administration US 649,472 AS1701 AS1701 - National Aeronautics and Space Administration US 131,072 AS10343 AS10343 - National Aeronautics and Space Administration US 123,904 AS24 AS24 - National Aeronautics and Space Administration US 65,538 AS1848 AS1848 - National Aeronautics and Space Administration US 6,144 AS2143 AS2143 - National Aeronautics and Space Administration US 1,792 AS21556 NARC-EROOT - National Aeronautics and Space Administration US 512
Similar-sized networks in United States
ASN Name IPv4 addresses
AS36321 #6576 CSTL - Castle Global Inc.1,792 AS394229 #6577 TELOGIKS - Juxto, Inc.1,792 AS399033 #6578 DUCOR-01 - VARCOMM BROADBAND, INC.1,792 AS706 #6580 TEST-AUSTIN-IBM-AS - Advanced Workstations Division, IBM Corporation1,792 AS2143 #6581 AS2143 - National Aeronautics and Space Administration1,792 AS2155 #6582 HPINC - HP Inc.1,792
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