AS25977

Name: AS25977 — HOUSTON COMMUNITY COLLEGE SYSTEM
Creator: ipdex

HOUSTON COMMUNITY COLLEGE SYSTEM Unknown registered in United States

44IPv4 prefixes

0IPv6 prefixes

25%RPKI-valid

#23,206AS Rank

327/327RIS visibility

#776Rank in United States

2002-06-11Allocated

HOUSTON COMMUNITY COLLEGE SYSTEM (AS25977) — Unknown, registered in United States. announces 44 IPv4 prefixes + 0 IPv6 prefixes. Rank in United States: #776. Allocated: 2002-06-11.

IPv4 44IPv6 0

Announced prefixes · 44

v4 198.64.16.0/21 valid
v4 198.64.24.0/24 valid
v4 198.64.25.0/24 valid
v4 198.64.26.0/24 valid
v4 198.64.27.0/24 valid
v4 198.64.28.0/24 valid
v4 198.64.29.0/24 valid
v4 198.64.32.0/20 valid
v4 198.64.57.0/24 valid
v4 198.64.7.0/24 valid
v4 198.64.8.0/21 valid
v4 67.226.0.0/24 unknown
v4 67.226.10.0/24 unknown
v4 67.226.11.0/24 unknown
v4 67.226.12.0/24 unknown
v4 67.226.13.0/24 unknown
v4 67.226.14.0/24 unknown
v4 67.226.15.0/24 unknown
v4 67.226.16.0/24 unknown
v4 67.226.17.0/24 unknown
v4 67.226.18.0/24 unknown
v4 67.226.19.0/24 unknown
v4 67.226.2.0/24 unknown
v4 67.226.20.0/24 unknown
v4 67.226.21.0/24 unknown
v4 67.226.22.0/24 unknown
v4 67.226.23.0/24 unknown
v4 67.226.24.0/24 unknown
v4 67.226.25.0/24 unknown
v4 67.226.26.0/24 unknown
v4 67.226.27.0/24 unknown
v4 67.226.28.0/24 unknown
v4 67.226.29.0/24 unknown
v4 67.226.3.0/24 unknown
v4 67.226.30.0/24 unknown
v4 67.226.31.0/24 unknown
v4 67.226.32.0/19 unknown
v4 67.226.4.0/24 unknown
v4 67.226.5.0/24 unknown
v4 67.226.6.0/24 unknown
v4 67.226.64.0/19 unknown
v4 67.226.8.0/24 unknown
v4 67.226.9.0/24 unknown
v4 67.226.96.0/19 unknown

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

Routing: 44 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	44
2026-06-13	44

AS topology · Customer cone 1

Providers · 2

AS3356 Level 3 Parent, LLC
AS4557 Rice University

Peers · 1

AS1000 LINK AMERICAN

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