AS32 Stanford University

STANFORD - Stanford University · registered in the United States

IPv4 addresses329,7283 prefixes · 0.011% of announced IPv4

Rank in United States#210largest network in US by IPv4 space, of 18,338 · 0.02% of US

Rank worldwide#749of 79,396 networks with IPv4

IPv61 x /32 (65,537 x /48)2 prefixes

CountryUnited States18,679 ASNs registered there

Open AS32 in ASN lookup Look up an IP in this network (128.12.0.1) All networks in United States

IPv4 prefixes

All 3 prefixes, in address order.

128.12.0.0/16
171.64.0.0/14
204.63.224.0/21

IPv6 prefixes

All 2 prefixes.

2607:f6d0::/32
2620:6c:40c0::/48

Other ASNs named Stanford University

3 other networks use the same organisation name; together with AS32 they announce 333,828 IPv4 addresses.

ASNNameIPv4 addresses

AS46749STANFORD-INTERNET-ACCESS - Stanford University US3,842

AS29957STANFORD-UC - Stanford University US256

AS46750STANFORD-INTERNET-ACCESS2 - Stanford University US2

Similar-sized networks in United States

ASNNameIPv4 addresses

AS14638#207 LCPRL - Liberty Communications of Puerto Rico LLC333,824

AS59#208 WISC-MADISON-AS - University of Wisconsin Madison331,004

AS91#209 RPI-AS - Rensselaer Polytechnic Institute330,496

AS35916#211 MULTA-ASN1 - MULTACOM CORPORATION329,727

AS32475#212 SINGLEHOP-LLC - Internap Holding LLC329,216

AS52#213 UCLA - University of California, Los Angeles328,968

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