AS10421 Texas Tech University

TTUNET - Texas Tech University · registered in the United States

IPv4 addresses82,43212 prefixes · 0.003% of announced IPv4

Rank in United States#706largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#2,144of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS10421 in ASN lookup Look up an IP in this network (66.140.111.1) All networks in United States

IPv4 prefixes

All 12 prefixes, in address order.

66.140.111.0/24
69.65.192.0/18
129.118.0.0/17
129.118.128.0/19
129.118.160.0/20
129.118.176.0/21
129.118.184.0/23
129.118.186.0/24
129.118.187.0/24
129.118.188.0/22
129.118.192.0/18
192.58.125.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS2902#703 WN-WY-AS - University of Wyoming82,432

AS5939#704 DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD)82,432

AS6595#705 DODDSEUR - U.S. Department of Defense Education Activity82,432

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

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

AS11131#709 UMBC-AS - University of Maryland Baltimore County (UMBC)82,176

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