Network topology

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

AS59

Currently announcedSnapshot awaiting refresh

University of Wisconsin Madison · WISC-MADISON-AS

Last observed9/29/2026, 05:50:04Open ASN profile →

AS59 relationship topology

Showing 4 / 4

AS59University of Wisconsin…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS3128BRUWS-AS3128 - University of Wisconsin System

Relationship: Upstream
Observed weight: 536
ASN registration country: United States
Latest RIS data: 11/2/2026, 00:00:00

Open AS3128 profile →

All adjacent autonomous systems

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4 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS3128Observed weight 536	BRUWS-AS3128 - University of Wisconsin System	Upstream	United States	8/19/2019, 00:00:00	11/2/2026, 00:00:00	5,357	331
AS11164Observed weight 29	INTERNET2-I2PX - Internet2	Upstream	United States	8/19/2019, 00:00:00	11/2/2026, 00:00:00	320	26
AS11537Observed weight 12	INTERNET2-RESEARCH-EDU - Internet2	Upstream	United States	8/19/2019, 00:00:00	11/2/2026, 00:00:00	68	6
AS293Observed weight 1	ESNET - ESnet	Upstream	United States	8/19/2019, 00:00:00	11/2/2026, 00:00:00	9	1

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