Network topology

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

AS5671

Currently announcedSnapshot awaiting refresh

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

Last observed10/21/2026, 14:15:15Open ASN profile →

AS5671 relationship topology

Showing 2 / 2

AS5671AT&T Enterprises, LLC

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS7287PBI-NET-BLK2 - AT&T Enterprises, LLC

Relationship: Upstream
Observed weight: 263
ASN registration country: United States
Latest RIS data: 9/29/2026, 00:00:00

Open AS7287 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
AS7287Observed weight 263	PBI-NET-BLK2 - AT&T Enterprises, LLC	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	1,001	0
AS25993Observed weight 260	ATT-LABS-AUSTIN-TX - AT&T Enterprises, LLC	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	333	0

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