AS11745 University System of New Hampshire

USNH - University System of New Hampshire · registered in the United States

IPv4 addresses73,7282 prefixes · 0.002% of announced IPv4

Rank in United States#761largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#2,337of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryUnited States18,679 ASNs registered there

Open AS11745 in ASN lookup Look up an IP in this network (64.72.0.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

64.72.0.0/19
132.177.0.0/16

IPv6 prefixes

All 1 prefix.

2606:4100::/32

Other ASNs named University System of New Hampshire

2 other networks use the same organisation name; together with AS11745 they announce 204,800 IPv4 addresses.

ASNNameIPv4 addresses

AS27405PSC - University System of New Hampshire US65,536

AS29917KSC - University System of New Hampshire US65,536

Similar-sized networks in United States

ASNNameIPv4 addresses

AS21582#758 NAU-AS - Northern Arizona University74,240

AS2552#759 WUSTL-ASN - Washington University73,984

AS5080#760 ARAMCO-AS - Aramco73,984

AS15147#762 DHSINETNOC - DEPARTMENT OF HOMELAND SECURITY73,728

AS13611#763 CDC - U.S. Center For Disease Control and Prevention73,728

AS14954#764 FHCRC - The Fred Hutchinson Cancer Research Center73,728

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