Network topology

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

AS53641

Currently announcedSnapshot awaiting refresh

Tomales Bay LAN, LLC · TOMALESBAYLAN

Last observed10/16/2026, 00:00:00Open ASN profile →

AS53641 relationship topology

Showing 3 / 3

AS53641Tomales Bay LAN, LLC

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS7018ATT-INTERNET4 - AT&T Enterprises, LLC

Relationship: Upstream
Observed weight: 293
ASN registration country: United States
Latest RIS data: 10/16/2026, 00:00:00

Open AS7018 profile →

All adjacent autonomous systems

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3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	Visible prefixes	Collectors
AS7018Observed weight 293	ATT-INTERNET4 - AT&T Enterprises, LLC	Upstream	United States	8/25/2019, 00:00:00	10/16/2026, 00:00:00	5	1
AS26721Observed weight 277	Inyo Networks	Upstream	United States	8/25/2019, 00:00:00	10/16/2026, 00:00:00	3	1
AS36734Observed weight 60	Network name pending collection	Upstream	Registration country pending sync	10/12/2026, 00:00:00	10/16/2026, 00:00:00	1	1

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