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Data as of Nov 10, 2026

221.239.28.0/24

1 residential-proxy exit · 30 days

ASN for TIANJIN Provincial Net of CT · space held by Chinanet Tianjin Province Network

Announcement
this exact prefix
RPKI valid
Announced by
AS17638
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
1
0.39% of its addresses · 30 days
Providers
13
selling exits here
Oct 11, 2026 – Nov 8, 2026

Exits seen per day

74 observations

Proxy providers listing exits

  • BartProxies
  • BirdProxies
  • Byteful
  • EnigmaProxy
  • GSocks
  • Infatica
  • MangoProxy
  • NodeProxy
  • NovaProxy
  • Proxyma
  • RainProxy
  • Shifter
  • VantageProxies

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
221.239.0.0/18
since May 2005
AS17638Residential17
1 always on
Chinanet Tianjin Province Network

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
221.238.0.0 - 221.239.127.25598,304CHINANET-TJChinanet Tianjin Province NetworkALLOCATED PORTABLE—anti-spam@chinatelecom.cn
└ 221.239.28.0/298TIANJIN-BEISITE-LTDunknownASSIGNED NON-PORTABLE—baijian.tj@chinatelecom.cn
└ 221.239.28.16/298TIANJIN-ZHUZHONGGONGWUDIAN-LTDZHUZHONGGONGWUDIAN-LTD.ASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.239.28.24/298TIANJIN-BOHAISHIYOU-LTDBOHAISHIYOU-LTD.ASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.239.28.32/298TIANJIN-SENGBENJINGMI-LTDunknownASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.239.28.40/298TIANJIN-JINLIANRANQI-LTDJINLIANRANQI-LTD.ASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.239.28.48/298TIANJIN-DAHONGDIANZI-LTDDAHONGDIANZI-LTD.ASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.239.28.56/298TIANJIN-RANQIQIANGXIANHONGXIN-LTDRANQIQIANGXIANHONGXIN-LTD.ASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.239.28.64/2816TIANJIN-AERTAIKESI-LTDunknownASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.239.28.80/298TIANJIN-CHAOFAN-NETBARunknownASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.239.28.88/298TIANJIN-HUASHANHOTEL-HOTELunknownASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.239.28.96/304TIANJIN-NANQIAOYOUZHI-LTDNANQIAOYOUZHI-LTD.ASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.239.28.100/304TIANJIN-RUJIAJIUDIAN-HOTELunknownASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.239.28.120/298TIANJIN-BAOWEITULIAO-LTDBAOWEITULIAO-LTD.ASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.239.28.128/298TIANJIN-ZHONGCHUGUFEN-LTDZHONGCHUGUFEN-LTD.ASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.239.28.136/298TIANJIN-BAILIDE-LTDBAILIDE-LTD.ASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.239.28.144/298TIANJIN-SANGDI-NETBARunknownASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.239.28.152/298TIANJIN-BINHAIXINQUGUOSHUIJU-GOVunknownASSIGNED NON-PORTABLE—baijian.tj@chinatelecom.cn
└ 221.239.28.160/2732TIANJIN-NANQIAOYOUZHI-LTDNANQIAOYOUZHI-LTD.ASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.239.28.192/304TIANJIN-JINGHAILVSHISHIWUSUO-LTDunknownASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.239.28.196/304TIANJIN-DONGFANGKANGTI-LTDDONGFANGKANGTI-LTD.ASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.239.28.200/304TIANJIN-ZHONGHAICHUANBO-LTDunknownASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.239.28.204/304TIANJIN-XIANGYUGUOJI-LTDunknownASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.239.28.208/304TIANJIN-WANGZAITAOHUABA-LTDunknownASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.239.28.212/304TIANJIN-HAIHESHANGDIAN-LTDunknownASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.239.28.216/298TIANJIN-XINLIANTONGYUNSHUCHANG-LTDXINLIANTONGYUNSHUCHANG-LTD.ASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.239.28.224/298TIANJIN-1SHIJI-NETBARunknownASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.239.28.232/298TIANJIN-SIRUI-NETBARunknownASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.239.28.240/304TIANJIN-TANGGUBOHAIZHENGQUAN-LTDunknownASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.239.28.244/304TIANJIN-ZHADA-BANKunknownASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.239.28.248/298TIANJIN-HAIDATOUZI-LTDunknownASSIGNED NON-PORTABLE—baijian.tj@chinatelecom.cn

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
Origin network

AS17638

CN
Name
ASN for TIANJIN Provincial Net of CT
Type
Internet provider
Registered
Nov 18, 2002
Domain
cndata.com
Industry
Computer and Information Technology
Spamhaus ASN-DROP
not listed