AS27405 University System of New Hampshire

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

IPv4 addresses65,5361 prefixes · 0.002% of announced IPv4

Rank in United States#1,218largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#3,286of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS27405 in ASN lookup Look up an IP in this network (158.136.0.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

158.136.0.0/16

Other ASNs named University System of New Hampshire

2 other networks use the same organisation name; together with AS27405 they announce 204,800 IPv4 addresses.

ASNNameIPv4 addresses

AS11745USNH - University System of New Hampshire US73,728

AS29917KSC - University System of New Hampshire US65,536

Similar-sized networks in United States

ASNNameIPv4 addresses

AS27219#1215 SUNY-CORTLAND - SUNY College at Cortland65,536

AS27336#1216 SENTARA-HEALTH-CARE - Sentara Healthcare65,536

AS27402#1217 IBC-N1 - Independence Blue Cross65,536

AS27594#1219 UTSA - University of Texas at San Antonio65,536

AS27616#1220 AS-NEWSCHOOL - The New School65,536

AS29917#1221 KSC - University System of New Hampshire65,536

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