AS18791 Texas Christian University

TCU - Texas Christian University · registered in the United States

IPv4 addresses65,7922 prefixes · 0.002% of announced IPv4

Rank in United States#970largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#2,819of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS18791 in ASN lookup Look up an IP in this network (74.200.134.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

74.200.134.0/24
138.237.0.0/16

Similar-sized networks in United States

ASNNameIPv4 addresses

AS14319#967 FURMAN-2 - Furman University65,792

AS15173#968 NEWMA-11 - Newmarket Corporation65,792

AS15295#969 UNC-1388600-ASN - University of Northern Colorado65,792

AS18880#971 LAMRC - Lam Research Corporation65,792

AS21704#972 ASN-21704 - New York City Board of Education65,792

AS22089#973 HALLMARK - Hallmark Cards Inc.65,792

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