Network topology

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

AS3598

Currently announcedSnapshot awaiting refresh

MICROSOFT-CORP-AS - Microsoft Corporation · MICROSOFT-CORP-AS

Last observed10/20/2026, 15:42:29Open ASN profile →

AS3598 relationship topology

Showing 5 / 5

AS3598Microsoft Corporation

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS2686ATGS-MMD-AS - AT&T Enterprises, LLC

Relationship: Upstream
Observed weight: 372
ASN registration country: United States
Latest RIS data: 10/30/2026, 00:00:00

Open AS2686 profile →

All adjacent autonomous systems

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5 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS2686Observed weight 372	ATGS-MMD-AS - AT&T Enterprises, LLC	Upstream	United States	8/19/2019, 00:00:00	10/30/2026, 00:00:00	339	351
AS1680Observed weight 343	NV-ASN - Cellcom Fixed Line Communication L.P	Upstream	Israel	8/19/2019, 00:00:00	10/30/2026, 00:00:00	334	336
AS8075Observed weight 312	MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation	Upstream	United States	8/19/2019, 00:00:00	10/30/2026, 00:00:00	4,016	1,071
AS3356Observed weight 256	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/19/2019, 00:00:00	10/30/2026, 00:00:00	1,676	0
AS12849Observed weight 3	HOTNET-IL Hot-Net internet services Ltd.	Upstream	Israel	8/19/2019, 00:00:00	10/30/2026, 00:00:00	4	0

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