Network topology

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

AS36026

Currently announcedSnapshot awaiting refresh

CommonSpirit Health · AS-CHI-CORP

Last observed10/2/2026, 22:02:55Open ASN profile →

AS36026 relationship topology

Showing 5 / 5

AS36026CommonSpirit Health

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS3356LEVEL3 - Level 3 Parent, LLC

Relationship: Upstream
Observed weight: 494
ASN registration country: United States
Latest RIS data: 11/1/2026, 16:00:00

Open AS3356 profile →

All adjacent autonomous systems

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5 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS3356Observed weight 494	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/21/2019, 00:00:00	11/1/2026, 16:00:00	2,243
AS7018Observed weight 319	ATT-INTERNET4 - AT&T Enterprises, LLC	Upstream	United States	8/21/2019, 00:00:00	11/1/2026, 16:00:00	2,970
AS26794Observed weight 274	DCN-AS - Dakota Carrier Network	Upstream	United States	8/21/2019, 00:00:00	11/1/2026, 16:00:00	380
AS33662Observed weight 254	CMCS - Comcast Cable Communications, LLC	Upstream	United States	8/21/2019, 00:00:00	11/1/2026, 16:00:00	330
AS33650Observed weight 37	COMCAST-33650 - Comcast Cable Communications, LLC	Upstream	United States	8/21/2019, 00:00:00	11/1/2026, 16:00:00	40

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