Network topology

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

AS45073

Currently announcedSnapshot awaiting refresh

AS45056 - AS45115 · AS45073-18

Last observed10/3/2026, 23:12:39Open ASN profile →

AS45073 relationship topology

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AS45073AS45115

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS17621CNCGROUP-SH - China Unicom Shanghai network

Relationship: Upstream
Observed weight: 11
ASN registration country: China
Latest RIS data: 11/9/2026, 00:00:00

Open AS17621 profile →

All adjacent autonomous systems

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

1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS17621Observed weight 11	CNCGROUP-SH - China Unicom Shanghai network	Upstream	China	8/23/2019, 00:00:00	11/9/2026, 00:00:00	11	0

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