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Data as of Nov 8, 2026

203.187.168.0/22

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
203.187.160.0/198,192SINNETBeijing Sinnet Technology Co., Ltd.ALLOCATED PORTABLE—ipas@cnnic.cn
└ 203.187.168.0/25128HLTBeijing HuLianTong Network Technology Co., LtdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.168.128/25128TDKXChina Railway Science Academe Science & Technology Investigate and Development CenterASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.169.0/2732ZJFDZhongJinFengDe Investment Holding Co., LtdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.169.32/2816XAYBThe Preparatory Committee of The New Olympic NewspaperASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.169.48/2816GHXWBeijing GuangHuanXinWang Digital Technology Co., LtdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.169.64/2732HXSBThe Newspaper Office of HuaXia TimesASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.169.96/2732PICCPICC Property and Casualty Company LimitedASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.169.128/298HDYTHengDian Inter Electronics Technology Co., LtdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.169.136/298ZHJYBeijing ZhongHaiJiYuan Digital Technology Development Co., LtdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.169.144/2816HWJTGulf Technology GroupASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.169.160/2732DYQHThe First Layout advertisement Co., LtdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.169.192/2732SZFCShenZhouFengCai Investment and management Co., LtdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.169.224/2816BEIRENBeiRen Group Co., LtdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.169.240/2816MLMCBeijing MeiLianMei Multiple Business Co., LtdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.170.0/2732ZKWWBeijing ZhongKeWangWei Communication & Technology Co., LtdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.170.32/2816YXWXBeijing EHOO Communication & Technology Co., LtdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.170.48/2816BBXXBeijing BaBa Communication & Technology Limited Liability CompanyASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.170.64/2732LXTXBeijing Cache Corresponding Technology Co., LtdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.170.96/298HALXHirisun Information Technology (Shenzhen) Co., LtdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.170.104/298DCLSDacheng Law FirmASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.170.112/2816WJYDBeijing WanJiYuan MansionASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.170.128/298ZXZBBeijing ZhongXiZhengBao Distance Learning Technology Co., LtdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.170.136/298ydxwyidaxun network science and technology (Beijing) co.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.170.144/2816hxdshuaxing buildingASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.170.160/298zfrgResearch institute of syntnetic crystalsASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.170.168/298yhjcBeijing haiyin investment co., ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.170.176/2816cjdsBeijing city construction buildingASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.170.192/2816hrzdResource land Beijing BranchASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.170.208/2816bmjjSecrecy Bureau basic construction officeASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.170.224/2816zglyChina Grains and Oils Group CorporationASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.170.240/2816djyyBeijing taijidejie Correspondence Electronic System Co., Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.171.0/2816zjdmDimerco Co., Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.171.16/2816lswyBeijing Rosa Defining Beauty Co., Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.171.32/2732watxBeijing wayout telecom technology Co., Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.171.64/2664chjtIRICO Group CorporationASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.171.128/2816jsbxjingsheng insurance Brokers Co.,LTDASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.171.144/2816adzyGermany anda tragacanth Beijing officeASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.171.160/2732dwcbforeign contract project C of CASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.171.192/2816dlqcCreative Artists AgencyASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.171.208/298dhfcdingheng real estate ltd. co.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.171.216/298hdftshenzhen huadongfeitian network technology empolder (Beijing) co., ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.171.224/2732zqljChina Cyts Tours Holding CO.,LTD.ASSIGNED 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