Network topology

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

AS16569

Currently announcedSnapshot awaiting refresh

DMZ - City of Calgary · DMZ

Last observed9/30/2026, 17:25:50Open ASN profile →

AS16569 relationship topology

Showing 3 / 3

AS16569City of Calgary

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS6939HURRICANE - Hurricane Electric LLC

Relationship: Upstream
Observed weight: 230
ASN registration country: United States
Latest RIS data: 9/30/2026, 00:00:00

Open AS6939 profile →

All adjacent autonomous systems

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3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS6939Observed weight 230	HURRICANE - Hurricane Electric LLC	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	584
AS6461Observed weight 56	ZAYO-6461 - Zayo Bandwidth	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	164
AS15296Observed weight 5	CYBERA - Cybera Inc	Upstream	Canada	8/19/2019, 00:00:00	9/30/2026, 00:00:00	10

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