LAYER3 INTEL
Get started
Sign in
Data as of Nov 5, 2026

221.199.43.0/24

3 residential-proxy exits · 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
64% of it

Residential-proxy exits

Proxy exits
3
1.2% of its addresses · 30 days
Providers
16
selling exits here
Oct 6, 2026 – Nov 4, 2026

Exits seen per day

165 observations

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
└ 221.199.43.0/304NX-SZS-Dawukou-Net-on-Net-Internet-barunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.4/304NX-SZS-Shizuishan-science-and-technology-info-placeunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.8/304NX-SZS-LuyoutanunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.12/304NingXia-hengkanjianshejituangongsiunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.16/304NX-SZS-youzhengsudiNX-SZS-youzhengsudiASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.20/304NX-SZS-binhe-wangbaunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.24/304NX-SZS-pingluo-renminfayuanunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.28/304NX-SZS-shizuishanyucai-schoolunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.32/304NX-SZS-pingluo-guoshuijuunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.36/304NX-SZS-shizuishan-caizhengjuunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.40/304NX-SZS-shizuishan-meitan-schoolunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.44/304NX-SZS-ningmeiwuzigongsiunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.48/304NX-SZS-shazhoushangwubingguanNX-SZS-shazhoushangwubingguanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.52/304NX-SZS-5zhongNX-SZS-5zhongASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.56/304NX-SZS-xiangyunbingguanNX-SZS-xiangyunbingguanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.60/304NX-SZS-GPS-serverNX-SZS-GPS-serverASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.64/304NX-SZS-PL-HuiyuanguozhiunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.68/304NX-SZS-renminshangchangNX-SZS-GPS serverASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.76/304NX-SZS-DailishangunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.80/304NX-SZS-DWK-Haiguan-HotelunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.84/304NX-SZS-DWK-HengchangjianshejituanunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.88/304NX-SZS-DWK-Yanshan-jiudianunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.92/304NX-SZS-DWK-ShijiyuanbingguanunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.96/304NX-SZS-DWK-Tianhong-bingguanunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.100/304NX-SZS-HN-Xinshidai-bingguanunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.104/304NX-SZS-HuiyuanunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.112/304NX-SZS-WangleyiunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.116/304NX-SZS-Huilian-bingguanunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.120/304NX-SZS-Dawukou-hongliang-meikuangunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.124/304NX-SZS-Huinong-basai-fangdichanunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.128/304NX-SZS-1zhongunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.136/304NX-SZS-Huinong-Tiande-TaiyangnengunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.140/304NX-SZS-Suning-DianqiunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
└ 221.199.43.224/2816NX-SZS-shizuishan-liantongNX-SZS-shizuishan-liantongASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NX
└ 221.199.43.240/2816NX-SZS-Shizuishan-guangming-centerunknownASSIGNED 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.

Composition

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

Announced space

Address share

Announced space

Types across the prefix

256 addresses
TypeAddressesShareRanges
Business16464%35
Residential9236%4

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