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Data as of Nov 10, 2026

221.238.175.0/24

No anonymizer space · no proxy exits in 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

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
221.238.128.0/18
since May 2005
AS17638Residential48
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
└ 221.238.175.64/2816TIANJIN-ZHAOGEZHUANG-LTDZHAOGEZHUANG-LTD.ASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.238.175.80/304TIANJIN-XINSHIJIWANGBA-NETBARunknownASSIGNED NON-PORTABLE—baijian.tj@chinatelecom.cn
└ 221.238.175.84/304TIANJIN-BAODIGONGANJU-BUREAUunknownASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.238.175.88/304TIANJIN-ZHENGDANONGMU-LTDZHENGDANONGMU-LTD.ASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.238.175.104/298TIANJIN-KOUDONGZHEN-LTDKOUDONGZHEN-LTD.ASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.238.175.112/304TIANJIN-GUANYUFUZHUANG-LTDGUANYUFUZHUANG-LTD.ASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.238.175.128/298TIANJIN-XINGKAITIYU-LTDunknownASSIGNED NON-PORTABLE—baijian.tj@chinatelecom.cn
└ 221.238.175.136/298TIANJIN-DUJIACUN-NETBARunknownASSIGNED NON-PORTABLE—baijian.tj@chinatelecom.cn
└ 221.238.175.144/2816TIANJIN-HETAOYUAN-LTDunknownASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.238.175.160/304TIANJIN-HUANYU-NETBARunknownASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.238.175.164/304TIANJIN-LEIDI-NETBARunknownASSIGNED NON-PORTABLE—baijian.tj@chinatelecom.cn
└ 221.238.175.168/298TIANJIN-CAIJINGDAXUE-SCHOOLunknownASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.238.175.176/2816TIANJIN-CAIYUAN-LTDunknownASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.238.175.192/304TIANJIN-HONGQINGTING-NETBARunknownASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.238.175.196/304TIANJIN-BIER-NETBARunknownASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.238.175.200/298TIANJIN-ZHISHISENLINDAO-LTDunknownASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.238.175.208/298TIANJIN-ZHISHISENLINDAO-LTDunknownASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.238.175.224/298TIANJIN-BAODIDIANXIN-LTDunknownASSIGNED NON-PORTABLE—baijian.tj@chinatelecom.cn
└ 221.238.175.228/304TIANJIN-YOURAN-NETBARunknownASSIGNED NON-PORTABLE—baijian.tj@chinatelecom.cn
via TIANJIN-BAODIDIANXIN-LTD
└ 221.238.175.232/304TIANJIN-XINGHE-NETBARunknownASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.238.175.240/298TIANJIN-YINLUANGONGCHENG-LTDunknownASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ
└ 221.238.175.248/298TIANJIN-GUANGRIWULIU-LTDunknownASSIGNED NON-PORTABLE—anti-spam@chinatelecom.cn
via CHINANET-TJ

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