AS2641 The Scripps Research Institute

TSRI-AS - The Scripps Research Institute · registered in the United States

IPv4 addresses1,5364 prefixes · <0.001% of announced IPv4

Rank in United States#6,913largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#26,392of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS2641 in ASN lookup Look up an IP in this network (192.26.250.1) All networks in United States

IPv4 prefixes

All 4 prefixes, in address order.

192.26.250.0/23
192.26.252.0/23
192.26.254.0/24
192.42.82.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

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AS2908#6914 CITI1 - Citigroup Inc.1,536

AS3384#6915 CELT - Center for Educational Leadership and Technology1,536

AS3474#6916 DNIC-AS-03474 - United States Department of Defense (DoD)1,536

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