Network topology

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

AS177

Currently announcedSnapshot awaiting refresh

University of Michigan · UMICH-AS-1

Last observed9/29/2026, 05:53:22Open ASN profile →

AS177 relationship topology

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AS177University of Michigan

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS237MERIT-AS-14 - Merit Network Inc.

Relationship: Upstream
Observed weight: 250
ASN registration country: United States
Latest RIS data: 9/28/2026, 00:00:00

Open AS237 profile →

All adjacent autonomous systems

The table preserves every relationship in the selected filter; graph limits and pagination never remove data.

1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS237Observed weight 250	MERIT-AS-14 - Merit Network Inc.	Upstream	United States	8/19/2019, 00:00:00	9/28/2026, 00:00:00	0	672

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