AS19945 — GRANBURYISD

AS19945 announces 1 IPv4 prefixes covering 8,192 addresses and 1 IPv6 prefixes.

About this network

GRANBURYISD is the autonomous system for Granbury Independent School District.

What it's used for

• The space carries the district's internal network, identified by the netname GRANBURY-ISD-IPV4 and the registrant Granbury Independent School District.
• The AS announces 8192 IPv4 addresses and 1 IPv6 prefix, with only 2 observed neighbours, indicating a small, self-contained access network rather than a transit provider.

Notable

• The RDAP registrant matches the AS handle and the announced prefix, confirming direct ownership by the school district.
• The address inventory consists of a single /19 block (216.46.192.0/19) and one /42 IPv6 prefix, typical of a local educational institution's infrastructure.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 216.46.192.0/19
• 2620:101:3000::/42

Upstream networks

• AS11353 Education Service Center Region XI
• AS11427 Charter Communications Inc

Adjacent networks

• AS11353 Education Service Center Region XI
• AS11427 Charter Communications Inc

Routing security

• RPKI: 2 valid, 0 invalid and 0 not-found announcements; 2 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 2 route objects.
• Listed in as-sets: AS-13986, AS-18474, AS-CHTR-BB, AS-HURRICANEV6, AS-RR-BIZ.