Network topology

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

AS231

Currently announcedSnapshot awaiting refresh

Michigan State University · MISU-231

Last observed10/16/2026, 00:00:00Open ASN profile →

AS231 relationship topology

Showing 4 / 4

AS231Michigan State Universi…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS237Merit Network Inc.

Relationship: Upstream
Observed weight: 644
ASN registration country: United States
Latest RIS data: 10/16/2026, 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.

4 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	Visible prefixes	Collectors
AS237Observed weight 644	Merit Network Inc.	Upstream	United States	8/19/2019, 00:00:00	10/16/2026, 00:00:00	8	1
AS229Observed weight 259	Merit Network Inc.	Downstream	United States	8/19/2019, 00:00:00	10/16/2026, 00:00:00	1	1
AS11164Observed weight 107	Internet2	Upstream	United States	8/19/2019, 00:00:00	10/16/2026, 00:00:00	1	1
AS11537Observed weight 10	Internet2	Upstream	United States	8/19/2019, 00:00:00	10/16/2026, 00:00:00	1	1

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