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Data as of Nov 6, 2026

220.231.40.0/21

No anonymizer space · no proxy exits in 30 days

IDC, China Telecommunications Corporation · space held by Beijing Sinnet Technology Co., Ltd.

Announcement
this exact prefix
RPKI valid
Announced by
AS23724
Type
Hosting
Risk
50 / 100 · Medium

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
220.231.32.0/198,192SINNETBeijing Sinnet Technology Co., Ltd.ALLOCATED PORTABLE—ipas@cnnic.cn
└ 220.231.40.0/2664XHWShanghai XinHuaWen Investment Co., Ltd Beijing OfficeASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.40.64/2664YCDZBeijing YiChe Electronic Business Co., Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.40.128/2732BCDRBeijing BeiChenDongRuan Information & Technology Co., Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.40.160/2816YGWLBeijing YiGuan Network Information Consultation Co., Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.40.176 - 220.231.40.23964XTHANBeijing XinTongHuaAn Technology Co., LtdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.40.240/2816JHJLBeijing HuaJianHuLian Science and Technology Development Co., LtdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.41.0/2664YTCHBeijing YunTianCaiHong Network Service Co., LtdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.41.64/2732YTCHBeijing YunTianCaiHong Network Service Co., LtdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.41.96/2732YJBChina Metallurgy Newspaper OfficeASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.41.128/25128SPWBBeijing ShuPing Network Service Co., LtdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.42.0/2664QHTFQinghua Tongfang stock Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.42.64/2664BCDRBeijing Beichen Dongruan information Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.42.128/2664SCQHBeijing Shouchuang futures Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.42.192/2664YSXYBeijing art design collegeASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.43.0/2732CLGYChina datum industry groupASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.43.64/2664NYXXChina agriculture information technic centerASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.43.128/2664BQBBeijing youth newspaper officeASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.43.192/2732CHXYBeijing Chenghe Xingye science and technology Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.44.0/2664JSFYBeijing JiSuFeiYue Network Service Co., LtdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.44.64/2664OPTBeijing OuPuTe Technology Co., Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.44.128/2664GHXWBeijing GuangHuanXinWang Digital Technology Co., LtdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.44.192/2664OPTBeijing OuPuTe Technology Co., Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.45.0/2664OPTBeijing OuPuTe Technology Co., Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.45.64/2664GHXWBeijing GuangHuanXinWang Digital Technology Co., LtdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.45.128/25128GHXWBeijing GuangHuanXinWang Digital Technology Co., LtdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.46.0/2664SFDXBeijing normal school universityASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.46.64/2816ATGJEnglish Antuo international Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.46.80/2816PSSMeisheng Pasensi engineering Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.46.128/2664GWGuangwangASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.46.192/2664YLJTNeimenggu Yili group stock Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 220.231.47.0/24256YGJTBeijing YiGuoJiTong Network Service Co., LtdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET

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

AS23724

CN
Name
IDC, China Telecommunications Corporation
Type
Hosting
Registered
Apr 22, 2003
Domain
chinatelecom.cn
Spamhaus ASN-DROP
not listed