Network topology

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

AS33274

Currently announcedSnapshot awaiting refresh

ASN-FAIRVIEWHEALTHSERVICES - Fairview Health Services · ASN-FAIRVIEWHEALTHSERVICES

Last observed10/2/2026, 14:38:55Open ASN profile →

AS33274 relationship topology

Showing 6 / 6

AS33274Fairview Health Services

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS6461ZAYO-6461 - Zayo Bandwidth

Relationship: Upstream
Observed weight: 93
ASN registration country: United States
Latest RIS data: 10/2/2026, 00:00:00

Open AS6461 profile →

All adjacent autonomous systems

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6 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS6461Observed weight 93	ZAYO-6461 - Zayo Bandwidth	Upstream	United States	8/21/2019, 00:00:00	10/2/2026, 00:00:00	548
AS16904Observed weight 89	ARVIG-16904 - Arvig Enterprises Inc.	Upstream	United States	8/21/2019, 00:00:00	10/2/2026, 00:00:00	412
AS3356Observed weight 46	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/21/2019, 00:00:00	10/2/2026, 00:00:00	224
AS6939Observed weight 33	HURRICANE - Hurricane Electric LLC	Upstream	United States	8/21/2019, 00:00:00	10/2/2026, 00:00:00	149
AS32621Observed weight 1	TCV-511 - Twin City VoIP, Inc.	Upstream	United States	8/21/2019, 00:00:00	10/2/2026, 00:00:00	4
AS64289Observed weight 1	MACARNE - Macarne.com	Upstream	United States	8/21/2019, 00:00:00	10/2/2026, 00:00:00	4

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