LAYER3 INTEL
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Data as of Nov 5, 2026

221.213.28.0/22

6 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
Recent change
New origin Sep 2026
its first announcement on record

Residential-proxy exits

Proxy exits
6
0.59% of its addresses · 30 days
Spread
2 of 4
/24s with at least one exit
Providers
15
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
221.213.29.0/2403
221.213.30.0/2403

Proxy providers listing exits

  • Byteful
  • CliProxy
  • EnigmaProxy
  • GSocks
  • Geonix
  • Infatica
  • MangoProxy
  • NextProxy
  • NodeProxy
  • NovaProxy
  • ProxyEmpire
  • ProxyRack
  • Proxyma
  • RainProxy
  • 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

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