Network topology

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

AS397953

Currently announcedSnapshot awaiting refresh

Alvin Independent School District · ALVIN-ISD-01

Last observed10/29/2026, 18:59:59Open ASN profile →

AS397953 relationship topology

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AS397953Alvin Independent Schoo…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS4557SOUTHEAST-TEXAS-GIGAPOP - Rice University

Relationship: Upstream
Observed weight: 257
ASN registration country: United States
Latest RIS data: 11/2/2026, 00:00:00

Open AS4557 profile →

All adjacent autonomous systems

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1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS4557Observed weight 257	SOUTHEAST-TEXAS-GIGAPOP - Rice University	Upstream	United States	9/19/2019, 00:00:00	11/2/2026, 00:00:00	332	0

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