AS13783 Radford University

RADFORD-UNIV-AS - Radford University · registered in the United States

IPv4 addresses65,5368 prefixes · 0.002% of announced IPv4

Rank in United States#1,138largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#3,151of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS13783 in ASN lookup Look up an IP in this network (137.45.0.1) All networks in United States

IPv4 prefixes

All 8 prefixes, in address order.

137.45.0.0/17
137.45.128.0/19
137.45.160.0/21
137.45.168.0/23
137.45.170.0/23
137.45.172.0/22
137.45.176.0/20
137.45.192.0/18

Other ASNs named Radford University

1 other network uses the same organisation name; together with AS13783 they announce 65,792 IPv4 addresses.

ASNNameIPv4 addresses

AS397734RAD-ROANOKE - Radford University US256

Similar-sized networks in United States

ASNNameIPv4 addresses

AS13429#1135 MUSC - Medical University of South Carolina65,536

AS13548#1136 CHARLESTON-AS - College of Charleston65,536

AS13748#1137 CSHL - Cold Spring Harbor Laboratory65,536

AS13829#1139 PIMACOUNTY - Pima County65,536

AS13918#1140 CITYOFTUCSON - City of Tucson65,536

AS14048#1141 MEMPHIS-EDU - The University of Memphis65,536

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