Network topology

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

AS25979

Currently announcedSnapshot awaiting refresh

CITY OF MADISON · COMDC-WI

Last observed10/1/2026, 19:26:59Open ASN profile →

AS25979 relationship topology

Showing 2 / 2

AS25979CITY OF MADISON

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS2381WISCNET1-AS - WiscNet

Relationship: Upstream
Observed weight: 291
ASN registration country: United States
Latest RIS data: 10/25/2026, 00:00:00

Open AS2381 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
AS2381Observed weight 291	WISCNET1-AS - WiscNet	Upstream	United States	8/21/2019, 00:00:00	10/25/2026, 00:00:00	331	303
AS64251Observed weight 10	Monona Terrace Community and Convention Center	Downstream	United States	8/21/2019, 00:00:00	10/25/2026, 00:00:00	9	9

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