HZ-YOUYUN

AS63718 · Hangzhou YouYun Technology Co., Ltd. · CN · APNIC

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1

Upstream providers

0

Downstream customers

2k

v4 addresses

<0.1

v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Addr family: All IPv4 IPv6

Provider	First Seen	Last Seen	Peers	Confidence	AF
CHINA169-Backbone AS4837	2025-07-25 10mo	2026-06-09	64 peers AS209 AS701 AS2914 AS3170 AS6424 AS7018 AS17350 AS24482 AS30950 AS37271 AS47957 AS49544 AS50300 AS151704 AS199524 AS266213		v4 v6

Customers (0)

Addr family: All IPv4 IPv6

No customers in current snapshot.

Network Size

IPv4 and IPv6 prefixes originated over time

2

v4 prefixes

2k

v4 addresses

1

v6 prefixes

<0.1

v6 /32s

Peering Links Over Time

Count of unclassified adjacencies per snapshot date

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching

2025-06-27

Lost Transit

HZ-YOUYUN AS63718 → lost provider CMNET-Zhejiang-AP AS56041

Confidence: 85% Duration: 298d

⇄

2025-06-18

Lost Transit

HZ-YOUYUN AS63718 → lost provider CHINATELECOM-Fujian-Quanzhou-IDC1 AS133776

Confidence: 85% Duration: 4d

⇄

2024-09-17

Lost Transit

HZ-YOUYUN AS63718 → lost provider CMNET-Jiangsu-AP AS56046

Confidence: 85% Duration: 15d

⇄

Renewal Calendar

Active providers first seen 11–13 months ago — possible annual contract renewals

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