Network topology

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

AS23237

Currently announcedSnapshot awaiting refresh

MCMASTER - McMaster University · MCMASTER

Last observed10/1/2026, 11:54:34Open ASN profile →

AS23237 relationship topology

Showing 2 / 2

AS23237McMaster University

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS7992COGECOWAVE - Cogeco Connexion Inc.

Relationship: Upstream
Observed weight: 283
ASN registration country: Canada
Latest RIS data: 10/1/2026, 00:00:00

Open AS7992 profile →

All adjacent autonomous systems

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

2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS7992Observed weight 283	COGECOWAVE - Cogeco Connexion Inc.	Upstream	Canada	8/21/2019, 00:00:00	10/1/2026, 00:00:00	391	274
AS26677Observed weight 265	ORION-ASN - ORION	Upstream	Canada	8/21/2019, 00:00:00	10/1/2026, 00:00:00	943	85

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