Network topology

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

AS21326

Currently announcedSnapshot awaiting refresh

AT&T Global Network Services Nederland B.V. · OpenNet-SA

Last observed10/1/2026, 07:04:47Open ASN profile →

AS21326 relationship topology

Showing 2 / 2

AS21326AT&T Global Network Ser…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS25888HPINC - HP Inc.

Relationship: Upstream
Observed weight: 771
ASN registration country: United States
Latest RIS data: 11/2/2026, 00:00:00

Open AS25888 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
AS25888Observed weight 771	HPINC - HP Inc.	Upstream	United States	8/21/2019, 00:00:00	11/2/2026, 00:00:00	3,242	0
AS306Observed weight 243	DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD)	Upstream	United States	8/21/2019, 00:00:00	11/2/2026, 00:00:00	0	332

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