Network topology

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

AS17739

Currently announcedSnapshot valid

HAPLINK-CN-AP - Shanghai Telecom Haplink Network Co., Ltd · HAPLINK-CN-AP

Last observed10/15/2026, 16:00:00Open ASN profile →

AS17739 relationship topology

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AS17739Shanghai Telecom Haplin…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS4812CHINANET-SH-AP - China Telecom (Group)

Relationship: Upstream
Observed weight: 212
ASN registration country: China
Latest RIS data: 10/15/2026, 00:00:00

Open AS4812 profile →

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS4812Observed weight 212	CHINANET-SH-AP - China Telecom (Group)	Upstream	China	8/19/2019, 00:00:00	10/15/2026, 00:00:00	277	0
AS17621Observed weight 53	CNCGROUP-SH - China Unicom Shanghai network	Upstream	China	8/19/2019, 00:00:00	10/15/2026, 00:00:00	62	0

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