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Data as of Nov 6, 2026

221.12.4.16/29

1 residential-proxy exit · 30 days

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

Announcement
221.12.0.0/17
RPKI valid
Announced by
AS4837
Type
Business
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
1
13% of its addresses · 30 days
Providers
25
selling exits here
Oct 7, 2026 – Nov 5, 2026

Exits seen per day

94 observations

Proxy providers listing exits

  • 2Captcha
  • BirdProxies
  • BottingTools
  • ByteProxies
  • Byteful
  • CliProxy
  • EnigmaProxy
  • FlashProxy
  • GSocks
  • GonzoProxy
  • HydraProxy
  • IPOasis
  • Infatica
  • MangoProxy
  • NodeProxy
  • NovaProxy
  • Proxiware
  • Proxy-Seller
  • ProxyEmpire
  • ProxyHat
  • ProxyStyler
  • Proxyma
  • RainProxy
  • Shifter
  • VantageProxies

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 221.12.0.0/17

Prefix
221.12.0.0/17
Announced by
AS4837 CHINA UNICOM China169 Backbone
Type
Residential
Proxy exits
82
Always-on exits
7
RPKI
RPKI valid
Netname
UNICOM-ZJ
Registrant
China Unicom Zhejiang 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