Network topology

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

AS137745

Currently announcedSnapshot awaiting refresh

AS137745-37 - China Internet Network Information Center · AS137745-37

Last observed10/5/2026, 18:09:25Open ASN profile →

AS137745 relationship topology

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AS137745China Internet Network …

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS56040China Mobile Communications Corporation

Relationship: Upstream
Observed weight: 245
ASN registration country: China
Latest RIS data: 11/8/2026, 00:00:00

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS56040Observed weight 245	China Mobile Communications Corporation	Upstream	China	8/25/2019, 00:00:00	11/8/2026, 00:00:00	322	0
AS17623Observed weight 5	CNCGROUP-SZ - China Unicom Shenzen network	Upstream	China	8/25/2019, 00:00:00	11/8/2026, 00:00:00	6	0

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