Network topology

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

AS21992

Currently announcedSnapshot awaiting refresh

SSHA-ONE-ASN - Ontario Health · SSHA-ONE-ASN

Last observed10/1/2026, 08:38:44Open ASN profile →

AS21992 relationship topology

Showing 2 / 2

AS21992Ontario Health

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS19752HYDROONETELECOM - Hydro One Telecom Inc.

Relationship: Upstream
Observed weight: 758
ASN registration country: Canada
Latest RIS data: 10/1/2026, 00:00:00

Open AS19752 profile →

All adjacent autonomous systems

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS19752Observed weight 758	HYDROONETELECOM - Hydro One Telecom Inc.	Upstream	Canada	8/21/2019, 00:00:00	10/1/2026, 00:00:00	5,336	0
AS32364Observed weight 293	Ontario Health	Downstream	Canada	8/21/2019, 00:00:00	10/1/2026, 00:00:00	2,639	0

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