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Data as of Nov 5, 2026

221.199.43.36/30

No anonymizer space · no proxy exits in 30 days

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

Announcement
221.199.32.0/20
RPKI valid
Announced by
AS4837
Type
Business
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
3
75% of its addresses · listed by providers
Providers
16
selling exits here

Proxy providers listing exits

  • 2Captcha
  • BirdProxies
  • BottingTools
  • ByteProxies
  • Byteful
  • FlexyProxies
  • GonzoProxy
  • IPRoyal
  • Infatica
  • MangoProxy
  • NextProxy
  • Proxy-Seller
  • ProxyEmpire
  • ProxyRack
  • Proxyma
  • Shifter

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
221.199.0.0/17
since Feb 2006
AS4837Residential44
2 always on
China Unicom Ningxia province network

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
221.199.0.0/1732,768UNICOM-NXChina Unicom Ningxia province networkALLOCATED PORTABLE—hqs-ipabuse@chinaunicom.cn
└ 221.199.43.36/304NX-SZS-shizuishan-caizhengjuunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX

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
Announced by

Covering announcement 221.199.32.0/20

Prefix
221.199.32.0/20
Announced by
AS4837 CHINA UNICOM China169 Backbone
Type
Residential
Proxy exits
5
Always-on exits
1
RPKI
RPKI valid
Netname
UNICOM-NX
Registrant
China Unicom Ningxia province network
RIR
APNIC
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