AS11131 University of Maryland Baltimore County (UMBC)

UMBC-AS - University of Maryland Baltimore County (UMBC) · registered in the United States

IPv4 addresses82,1763 prefixes · 0.003% of announced IPv4

Rank in United States#709largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#2,149of 79,396 networks with IPv4

IPv616 x /481 prefixes

CountryUnited States18,679 ASNs registered there

Open AS11131 in ASN lookup Look up an IP in this network (130.85.0.1) All networks in United States

IPv4 prefixes

All 3 prefixes, in address order.

130.85.0.0/16
136.160.0.0/18
199.201.245.0/24

IPv6 prefixes

All 1 prefix.

2620:0:5300::/44

Similar-sized networks in United States

ASNNameIPv4 addresses

AS10421#706 TTUNET - Texas Tech University82,432

AS26585#707 SIAC-SFTI - Securities Industry Automation Corporation82,432

AS6189#708 EPFL-AS - Enoch-Pratt Free Library82,176

AS16922#710 OUHSC-EDU - University of Oklahoma HSC82,176

AS17327#711 TSTC-AS - Texas State Technical College at Waco82,176

AS7774#712 ALASKA - University of Alaska81,920

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