AS53434 SRI International

SRI-INTERNATIONAL-PRINCETON - SRI International · registered in the United States

IPv4 addresses5121 prefixes · <0.001% of announced IPv4

Rank in United States#11,690largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#52,344of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS53434 in ASN lookup Look up an IP in this network (128.57.136.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

128.57.136.0/23

Other ASNs named SRI International

1 other network uses the same organisation name; together with AS53434 they announce 75,264 IPv4 addresses.

ASNNameIPv4 addresses

AS264SRINET-AS - SRI International US74,752

Similar-sized networks in United States

ASNNameIPv4 addresses

AS53377#11687 TGNA-WVEC - TEGNA Inc.512

AS53381#11688 WAGWEB - Wagner-Weber Associates, Inc.512

AS53393#11689 LGCNS-AS2 - LG CNS America Inc.512

AS53444#11691 ZSCALER-SJC - ZSCALER, INC.512

AS53451#11692 NETX-INTERNET - NetX Internet, LLC.512

AS53482#11693 MKMG - CareMount Medical, P.C.512

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