Network topology

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

AS6389

Currently announcedSnapshot awaiting refresh

BELLSOUTH-NET-BLK - AT&T Enterprises, LLC · BELLSOUTH-NET-BLK

Last observed9/30/2026, 14:53:33Open ASN profile →

AS6389 relationship topology

Showing 2 / 2

AS6389AT&T Enterprises, LLC

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS7018ATT-INTERNET4 - AT&T Enterprises, LLC

Relationship: Upstream
Observed weight: 479
ASN registration country: United States
Latest RIS data: 10/26/2026, 00:00:00

Open AS7018 profile →

All adjacent autonomous systems

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS7018Observed weight 479	ATT-INTERNET4 - AT&T Enterprises, LLC	Upstream	United States	8/19/2019, 00:00:00	10/26/2026, 00:00:00	15,068	0
AS11712Observed weight 227	AT&T Services, Inc.	Downstream	United States	8/19/2019, 00:00:00	10/26/2026, 00:00:00	274	0

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