Network topology

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

AS17372

Currently announcedSnapshot awaiting refresh

Bank of Montreal · BMO-TOR2

Last observed9/30/2026, 19:47:14Open ASN profile →

AS17372 relationship topology

Showing 2 / 2

AS17372Bank of Montreal

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS8220COLT COLT Technology Services Group Limited

Relationship: Upstream
Observed weight: 253
ASN registration country: United Kingdom
Latest RIS data: 11/1/2026, 00:00:00

Open AS8220 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
AS8220Observed weight 253	COLT COLT Technology Services Group Limited	Upstream	United Kingdom	8/19/2019, 00:00:00	11/1/2026, 00:00:00	346	0
AS15533Observed weight 252	SASEUROPE Redcentric Solutions Ltd	Upstream	United Kingdom	8/19/2019, 00:00:00	11/1/2026, 00:00:00	330	0

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