AS13423 — GALVESTONISD - GALVESTON ISD

AS13423 announces 1 IPv4 prefixes covering 256 addresses and 0 IPv6 prefixes.

About this network

A single school district holding its own address space rather than sitting behind a regional agency.

What it's used for

• A Texas school district's network. 256 addresses in one IPv4 prefix, 198.246.160.0/24, two observed BGP neighbours, and no IPv6 announced.

Notable

• The AS handle is the district's name and the netname is its initials, GISD.
• Two observed neighbours for one /24.
• Three addresses were queried for reverse DNS and none returned a name.

Interesting

• Most districts of this size are customers of a regional education service agency, which holds the addresses and does the routing on their behalf. This one holds its own and announces it directly, which means somebody there decided that keeping the addresses through a change of provider was worth the paperwork.
• Two upstreams is the tell. A district that only wanted portable addresses would have one; two means the network is expected to stay up when a provider fails, which for a school system is about state testing and attendance reporting more than about browsing.
• Nothing in the block has a reverse name, so the public-facing side of the district lives elsewhere. These 256 addresses are the plumbing.

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

Announced prefixes

• 198.246.160.0/24

Upstream networks

• AS7018 AT&T Enterprises, LLC
• AS33662 Comcast Cable Communications, LLC

Adjacent networks

• AS7018 AT&T Enterprises, LLC
• AS33662 Comcast Cable Communications, LLC

Routing security

• RPKI: 0 valid, 0 invalid and 1 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 1 route objects.
• Listed in as-sets: AS-COMCAST-EDIA.