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Data as of Nov 8, 2026

221.203.248.0/21

2 residential-proxy exits · 30 days

CHINA UNICOM China169 Backbone · space held by China Unicom Liaoning Province Network

Announcement
this exact prefix
RPKI valid
Announced by
AS4837
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
2
0.10% of its addresses · 30 days
Spread
2 of 8
/24s with at least one exit
Providers
2
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

64 observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
221.203.252.0/2401
221.203.253.0/2401

Proxy providers listing exits

  • NextProxy
  • ProxyRack

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
221.200.0.0/14
since May 2005
AS4837Residential1,345
17 always on
China Unicom Liaoning Province Network

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS4837

CN
Name
CHINA UNICOM China169 Backbone
Type
Internet provider
Registered
Sep 17, 2001
Domain
chinaunicom.cn
Website
www.chinaunicom.cn/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed