Network topology

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

AS20090

Currently announcedSnapshot awaiting refresh

Network name pending collection

Last observed10/1/2026, 04:17:24Open ASN profile →

AS20090 relationship topology

Showing 2 / 2

AS20090—

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS7018ATT-INTERNET4 - AT&T Enterprises, LLC

Relationship: Upstream
Observed weight: 260
ASN registration country: United States
Latest RIS data: 9/30/2026, 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 260	ATT-INTERNET4 - AT&T Enterprises, LLC	Upstream	United States	8/21/2019, 00:00:00	9/30/2026, 00:00:00	330	0
AS31923Observed weight 255	THE-AUTO-CLUB-GROUP-ASN-1 - The Auto Club Group	Upstream	United States	8/21/2019, 00:00:00	9/30/2026, 00:00:00	336	0

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