Network topology

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

AS10309

Currently announcedSnapshot awaiting refresh

MARIN-MIDAS - County of Marin · MARIN-MIDAS

Last observed10/22/2026, 19:22:52Open ASN profile →

AS10309 relationship topology

Showing 3 / 3

AS10309County of Marin

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS7018ATT-INTERNET4 - AT&T Enterprises, LLC

Relationship: Upstream
Observed weight: 286
ASN registration country: United States
Latest RIS data: 9/29/2026, 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.

3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS7018Observed weight 286	ATT-INTERNET4 - AT&T Enterprises, LLC	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	1,692
AS33651Observed weight 275	CMCS - Comcast Cable Communications, LLC	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	993
AS33667Observed weight 103	CMCS - Comcast Cable Communications, LLC	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	618

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