AS13809 University of Arkansas for Medical Sciences

UAMS-ASN - University of Arkansas for Medical Sciences · registered in the United States

IPv4 addresses130,04821 prefixes · 0.004% of announced IPv4

Rank in United States#555largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#1,629of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS13809 in ASN lookup Look up an IP in this network (144.30.0.1) All networks in United States

IPv4 prefixes

All 21 prefixes, in address order.

144.30.0.0/17
144.30.128.0/18
144.30.192.0/19
144.30.224.0/21
144.30.232.0/22
144.30.236.0/22
144.30.240.0/22
144.30.244.0/23
144.30.246.0/23
144.30.248.0/21
159.150.0.0/22
159.150.8.0/21
159.150.16.0/20
159.150.32.0/19
159.150.64.0/18
159.150.128.0/22
159.150.132.0/22
159.150.136.0/21
159.150.144.0/20
159.150.160.0/19
159.150.192.0/18

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AS399077#557 TERAEXCH - Tcloudnet129,280

AS26554#558 US-SIGNAL - US Signal Company, L.L.C.129,024

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