AS4837

Name: AS4837 — CHINA UNICOM China169 Backbone
Creator: ipdex

CHINA UNICOM China169 Backbone ISP registered in China

1,065IPv4 prefixes

464IPv6 prefixes

88%RPKI-valid

#228AS Rank

328/328RIS visibility

#14Rank in China

2001-09-17Allocated

CHINA UNICOM China169 Backbone (AS4837) — ISP, registered in China. announces 1,065 IPv4 prefixes + 464 IPv6 prefixes. Rank in China: #14. Allocated: 2001-09-17.

IPv4 1,065IPv6 464

Announced prefixes · 1,529

v4 221.203.244.0/22 valid
v4 221.203.248.0/21 valid
v4 221.204.0.0/15 valid
v4 221.206.0.0/16 valid
v4 221.207.0.0/18 valid
v4 221.207.128.0/17 valid
v4 221.207.64.0/18 valid
v4 221.208.0.0/14 valid
v4 221.208.150.0/24 valid
v4 221.208.160.0/22 valid
v4 221.212.0.0/16 valid
v4 221.213.0.0/16 valid
v4 221.213.100.0/22 valid
v4 221.213.124.0/22 valid
v4 221.213.16.0/22 valid
v4 221.213.160.0/22 valid
v4 221.213.220.0/22 valid
v4 221.213.36.0/22 valid
v4 221.213.40.0/22 valid
v4 221.213.44.0/22 valid
v4 221.213.48.0/22 valid
v4 221.213.52.0/22 valid
v4 221.213.60.0/22 valid
v4 221.213.68.0/22 valid
v4 221.213.72.0/22 valid
v4 221.214.0.0/15 valid
v4 221.214.105.0/24 valid
v4 221.214.177.0/24 valid
v4 221.214.178.0/24 valid
v4 221.214.18.0/24 valid
v4 221.214.19.0/24 valid
v4 221.214.86.0/24 valid
v4 221.215.108.0/24 valid
v4 221.215.177.0/24 valid
v4 221.3.0.0/17 valid
v4 221.3.128.0/17 valid
v4 221.3.140.0/22 valid
v4 221.3.192.0/22 valid
v4 221.3.224.0/22 valid
v4 221.3.240.0/22 valid
v4 221.5.128.0/17 valid
v4 221.6.0.0/16 valid
v4 221.7.0.0/19 valid
v4 221.7.113.0/24 valid
v4 221.7.128.0/17 valid
v4 221.7.176.0/23 valid
v4 221.7.32.0/19 valid
v4 221.7.64.0/19 valid
v4 221.7.85.0/24 valid
v4 221.7.96.0/19 valid

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

Routing: 1,087 IPv4 · 470 IPv6 announced · RIS visibility 328/328 RIS peers · RIPEstat · 2026-06-22

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	1525
2026-06-13	1525
2026-06-14	1524
2026-06-16	1525
2026-06-17	1526
2026-06-19	1529
2026-06-20	1529
2026-06-21	1529

Internet Exchanges · 2

AMS-IX Amsterdam 100 Gbps
DE-CIX Frankfurt Frankfurt 100 Gbps

Facilities · 10

10 Facilities · 6 Countries

China Unicom (Hong Kong) Global Center Hong Kong
CoreSite - Los Angeles (LA1) One Wilshire Los Angeles
Digital Realty Frankfurt FRA1-27 Frankfurt
Equinix LD8 - London, Docklands London
Equinix MI1 - Miami, NOTA Miami
Equinix SG1 - Singapore Singapore
Equinix SK1 - Stockholm, Bromma Stockholm
Equinix SV1/SV5/SV10 - Silicon Valley, San Jose San Jose
FiberNet Telecom Group - 60 Hudson St New York
MEGA-i (iAdvantage Hong Kong) Hong Kong

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AS4837

Announced prefixes · 1,529

Prefix history

Internet Exchanges · 2

Facilities · 10

AS topology · Customer cone 242

Providers · 13

Peers · 49

Customers · 87

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