AS17621

Name: AS17621 — China Unicom Shanghai network
Creator: ipdex

China Unicom Shanghai network Unknown registered in China

264IPv4 prefixes

420IPv6 prefixes

80%RPKI-valid

#987AS Rank

#32Rank in China

2001-01-18Allocated

China Unicom Shanghai network (AS17621) — Unknown, registered in China. announces 264 IPv4 prefixes + 420 IPv6 prefixes. Rank in China: #32. Allocated: 2001-01-18.

IPv4 264IPv6 420

Announced prefixes · 684

v4 210.22.240.0/21 unknown
v4 210.22.248.0/22 valid
v4 210.22.248.0/24 valid
v4 210.22.249.0/24 valid
v4 210.22.252.0/24 valid
v4 210.22.254.0/23 valid
v4 210.22.64.0/18 unknown
v4 210.22.64.0/20 unknown
v4 210.51.35.0/24 valid
v4 210.51.42.0/24 valid
v4 210.51.60.0/24 valid
v4 210.52.213.0/24 valid
v4 210.52.214.0/24 valid
v4 210.52.215.0/24 valid
v4 210.52.216.0/24 valid
v4 210.52.217.0/24 valid
v4 210.52.218.0/23 unknown
v4 210.52.218.0/24 valid
v4 210.52.222.0/24 valid
v4 210.52.223.0/24 valid
v4 211.144.192.0/23 valid
v4 211.144.192.0/24 valid
v4 211.144.193.0/24 valid
v4 211.144.194.0/23 valid
v4 211.144.194.0/24 valid
v4 211.144.195.0/24 valid
v4 211.144.196.0/22 valid
v4 211.144.196.0/23 valid
v4 211.144.196.0/24 valid
v4 211.144.197.0/24 valid
v4 211.144.198.0/23 valid
v4 211.144.199.0/24 valid
v4 211.144.200.0/21 valid
v4 211.144.200.0/23 valid
v4 211.144.200.0/24 valid
v4 211.144.201.0/24 valid
v4 211.144.202.0/23 valid
v4 211.144.204.0/24 valid
v4 211.144.205.0/24 valid
v4 211.144.206.0/23 valid
v4 211.95.0.0/17 unknown
v4 211.95.33.0/24 valid
v4 211.95.34.0/24 valid
v4 211.95.35.0/24 valid
v4 211.95.36.0/24 valid
v4 211.95.37.0/24 valid
v4 211.95.38.0/24 valid
v4 211.95.48.0/21 unknown
v4 211.95.48.0/24 valid
v4 211.95.49.0/24 valid

RPKI: rpki.cloudflare.com · 2026-06-22

— Routing status unavailable

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	667
2026-06-13	667
2026-06-17	684
2026-06-20	683
2026-06-22	684

AS topology · Customer cone 38

Providers · 2

AS4837 CHINA UNICOM China169 Backbone
AS9929 CHINA UNICOM Industrial Internet Backbone

Customers · 37

AS10100 UBS Group AG
AS10212 China Enterprise ICT Solutions Limited
AS55996 CYPRESS TELECOM (CHINA) LIMITED
AS109 CISCO SYSTEMS, INC.
AS7609 Morgan Stanley Management Service (Shanghai) Limited
AS9809 SHENZHEN NOVA TECHNOLOGIES DEVELOPMENT.,LTD.

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