Network topology

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

AS20221

Currently announcedSnapshot awaiting refresh

IATA - International Air Transport Association · IATA

Last observed10/1/2026, 04:41:18Open ASN profile →

AS20221 relationship topology

Showing 3 / 3

AS20221International Air Trans…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS46320BLU Fibre Networks inc.

Relationship: Upstream
Observed weight: 287
ASN registration country: Canada
Latest RIS data: 10/28/2026, 00:00:00

Open AS46320 profile →

All adjacent autonomous systems

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

3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS46320Observed weight 287	BLU Fibre Networks inc.	Upstream	Canada	8/21/2019, 00:00:00	10/28/2026, 00:00:00	1,301
AS29909Observed weight 280	METROOPTIC - Metro Optic	Upstream	Canada	8/21/2019, 00:00:00	10/28/2026, 00:00:00	350
AS6730Observed weight 258	SUNRISE Sunrise GmbH	Upstream	Switzerland	8/21/2019, 00:00:00	10/28/2026, 00:00:00	330

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