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Data as of Nov 5, 2026

221.213.52.0/22

4 residential-proxy exits · 30 days

CHINA UNICOM China169 Backbone · space held by China Unicom Yunnan province network

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

Residential-proxy exits

Proxy exits
4
0.39% of its addresses · 30 days
Spread
2 of 4
/24s with at least one exit
Providers
19
selling exits here
Oct 6, 2026 – Nov 4, 2026

Exits seen per day

115 observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
221.213.53.0/2403
221.213.54.0/2401

Proxy providers listing exits

  • BirdProxies
  • ByteProxies
  • Byteful
  • EnigmaProxy
  • FlexyProxies
  • GSocks
  • Geonix
  • GonzoProxy
  • Infatica
  • MangoProxy
  • NextProxy
  • NodeProxy
  • NovaProxy
  • Proxy-Seller
  • ProxyEmpire
  • ProxyRack
  • Proxyma
  • Shifter
  • VantageProxies

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
221.213.0.0/16
since May 2005
AS4837Residential632
2 always on
China Unicom Yunnan province network

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
221.213.0.0/1665,536UNICOM-YNChina Unicom Yunnan province networkALLOCATED PORTABLE—hqs-ipabuse@chinaunicom.cn
└ 221.213.54.0/23512CNCGROUP-YNADSL PPPOE dialup portsASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

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