AS18

Name: AS18 — University of Texas at Austin
Creator: ipdex

University of Texas at Austin Unknown registered in United States

8IPv4 prefixes

0IPv6 prefixes

13%RPKI-valid

#12,701AS Rank

327/327RIS visibility

#3,808Rank in United States

1984-07-27Allocated

University of Texas at Austin (AS18) — Unknown, registered in United States. announces 8 IPv4 prefixes + 0 IPv6 prefixes. Rank in United States: #3808. Allocated: 1984-07-27.

IPv4 8IPv6 0

Announced prefixes · 8

v4 128.62.0.0/16 unknown
v4 128.83.0.0/16 unknown
v4 129.116.0.0/16 unknown
v4 146.6.0.0/16 unknown
v4 198.213.192.0/18 unknown
v4 198.214.250.0/23 unknown
v4 198.214.80.0/20 unknown
v4 206.76.64.0/18 valid

RPKI: rpki.cloudflare.com · 2026-06-17

Routing: 8 IPv4 · 0 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	8
2026-06-13	8

AS topology · Customer cone 1

Providers · 3

AS174 Cogent Communications, LLC
AS6922 Texas Department of Information Resources
AS276 University of Texas System

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