AS397360 Texas State Technical College Harlingen

TSTCH-ASN - Texas State Technical College Harlingen · registered in the United States

IPv4 addresses12,28813 prefixes · <0.001% of announced IPv4

Rank in United States#2,730largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#8,280of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS397360 in ASN lookup Look up an IP in this network (66.187.48.1) All networks in United States

IPv4 prefixes

All 13 prefixes, in address order.

66.187.48.0/20
206.51.48.0/21
206.51.56.0/23
206.51.58.0/23
206.51.60.0/22
216.134.112.0/23
216.134.114.0/24
216.134.115.0/24
216.134.116.0/22
216.134.120.0/22
216.134.124.0/24
216.134.125.0/24
216.134.126.0/23

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AS398977#2732 PACIFICU-OREGON - Pacific University12,288

AS399268#2733 CVT - Coosa Valley Technologies Inc12,288

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