Network topology

Relationships come from RIS AS_PATH observations; direction represents path position, not a commercial contract or traffic direction.

AS13423

Currently announcedSnapshot awaiting refresh

GALVESTON ISD · GALVESTONISD

Last observed9/30/2026, 09:19:04Open ASN profile →

AS13423 relationship topology

Showing 2 / 2

AS13423GALVESTON ISD

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS7018ATT-INTERNET4 - AT&T Enterprises, LLC

Relationship: Upstream
Observed weight: 159
ASN registration country: United States
Latest RIS data: 11/9/2026, 00:00:00

Open AS7018 profile →

All adjacent autonomous systems

The table preserves every relationship in the selected filter; graph limits and pagination never remove data.

2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS7018Observed weight 159	ATT-INTERNET4 - AT&T Enterprises, LLC	Upstream	United States	8/19/2019, 00:00:00	11/9/2026, 00:00:00	208	0
AS33662Observed weight 97	CMCS - Comcast Cable Communications, LLC	Upstream	United States	8/19/2019, 00:00:00	11/9/2026, 00:00:00	121	0

CHA.LA ASN relationship snapshotRelationships are normalized by CHA.LA from collected routing observations and registration context.CHA.LA routing observations · registration context