Network topology

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

AS63718

Currently announcedSnapshot awaiting refresh

HZ-YOUYUN - Hangzhou YouYun Technology Co., Ltd. · HZ-YOUYUN

Last observed10/6/2026, 12:39:33Open ASN profile →

AS63718 relationship topology

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AS63718Hangzhou YouYun Technol…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS4837CHINA169-Backbone

Relationship: Upstream
Observed weight: 233
ASN registration country: China
Latest RIS data: 10/23/2026, 00:00:00

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS4837Observed weight 233	CHINA169-Backbone	Upstream	China	8/25/2019, 00:00:00	10/23/2026, 00:00:00	340	136
AS133776Observed weight 144	CHINATELECOM-Fujian-Quanzhou-IDC1	Upstream	China	8/25/2019, 00:00:00	10/23/2026, 00:00:00	832	20

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