Network topology

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

AS25958

Currently announcedSnapshot awaiting refresh

Marshfield Clinic Inc. · MC-INT

Last observed10/1/2026, 19:26:13Open ASN profile →

AS25958 relationship topology

Showing 2 / 2

AS25958Marshfield Clinic Inc.

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS40264TWC-40264-WI-MN-UPPERMI-C3 - Charter Communications LLC

Relationship: Upstream
Observed weight: 548
ASN registration country: United States
Latest RIS data: 10/29/2026, 00:00:00

Open AS40264 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
AS40264Observed weight 548	TWC-40264-WI-MN-UPPERMI-C3 - Charter Communications LLC	Upstream	United States	8/21/2019, 00:00:00	10/29/2026, 00:00:00	2,716	0
AS11796Observed weight 231	AIRSTREAMCOMM-NET - Airstream Communications, LLC	Upstream	United States	8/21/2019, 00:00:00	10/29/2026, 00:00:00	595	0

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