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Data as of Nov 6, 2026

221.12.76.0/24

2 residential-proxy exits · 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
75% of it

Residential-proxy exits

Proxy exits
2
0.78% of its addresses · 30 days
Always-on exits
1
50% of its exits
Providers
28
selling exits here
Oct 7, 2026 – Nov 5, 2026

Exits seen per day

3.3K observations

Proxy providers listing exits

  • 2Captcha
  • Ake.net
  • BirdProxies
  • BottingTools
  • ByteProxies
  • Byteful
  • EnigmaProxy
  • FlashProxy
  • FlexyProxies
  • GonzoProxy
  • HydraProxy
  • IPPeak
  • Infatica
  • LightningProxies
  • MangoProxy
  • NodeMaven
  • NodeProxy
  • NovaProxy
  • Proxiware
  • Proxy-Seller
  • ProxyEmpire
  • Proxyma
  • RainProxy
  • Shifter
  • VantageProxies
  • VibeProxies
  • VitalExclusive
  • VitalProxy

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

256 addresses
TypeAddressesShareRanges
Business19275%19
Residential6425%8

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