AS88 Princeton University

PRINCETON-AS - Princeton University · registered in the United States

IPv4 addresses137,2165 prefixes · 0.004% of announced IPv4

Rank in United States#443largest network in US by IPv4 space, of 18,338 · 0.01% of US

Rank worldwide#1,426of 79,396 networks with IPv4

IPv64,097 x /482 prefixes

CountryUnited States18,679 ASNs registered there

Open AS88 in ASN lookup Look up an IP in this network (66.180.176.1) All networks in United States

IPv4 prefixes

All 5 prefixes, in address order.

66.180.176.0/20
128.112.0.0/16
140.180.0.0/16
204.153.48.0/22
205.172.164.0/22

IPv6 prefixes

All 2 prefixes.

2604:4540:1000::/36
2620:c4::/48

Similar-sized networks in United States

ASNNameIPv4 addresses

AS62874#440 WEB2OBJECTS - Web2Objects LLC139,008

AS26934#441 UNIVERSITY-OF-MISSOURI---COLUMBIA - University of Missouri-Columbia138,496

AS377#442 SNLA-NET-AS - Sandia National Laboratories137,728

AS401783#444 TOKALA-COMMUNICATIONS - TOKALA COMMUNICATIONS INC.137,216

AS35#445 MITRE-AS-1 - The MITRE Corporation136,448

AS14381#446 CATERPILLAR-INC - Caterpillar, Inc.135,936

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