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	2026-06-05	64 peers AS209 AS1000 AS2152 AS2914 AS3320 AS3491 AS3549 AS3701 AS4128 AS5392 AS6424 AS7018 AS7594 AS13786 AS13830 AS14537 AS15562 AS23673 AS24482 AS24516 AS30950 AS34927 AS35710 AS37697 AS38008 AS41095 AS46997 AS49544 AS64475 AS199524 AS262462 AS263009 AS266213 AS271253		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

2025-07-26

New Transit

HZ-YOUYUN AS63718 → added provider CHINA169-Backbone AS4837

Confidence: 90%

⇄

2025-07-23

Possible Trial

HZ-YOUYUN AS63718 → possible trial with CHINATELECOM-Fujian-Quanzhou-IDC1 AS133776

Confidence: 60%

⇄

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

⇄

2025-06-14

New Transit

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

Confidence: 90%

⇄

2024-10-11

Possible Trial

HZ-YOUYUN AS63718 → possible trial with CMNET-Jiangsu-AP AS56046

Confidence: 60%

⇄

2024-09-17

Lost Transit

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

Confidence: 85% Duration: 15d

⇄

2024-09-02

New Transit

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

Confidence: 90%

⇄

2024-09-02

New Transit

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

Confidence: 90%

⇄

Renewal Calendar

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

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