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Data as of Nov 7, 2026

203.187.176.0/22

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
└ 203.187.176.0/24256ghxwBeijing guanghuanxinwang digital technology co., ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.177.0/2732edsgRussia embassyASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.177.32/298gwwygaowei estate and property management co, ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.177.40/298tjhqBeijing taijihuaqing information system corporationASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.177.48/2816hlwhBeijing huanlewenhua art co., ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.177.64/2732ckbfBeijing great wall broadband network CO.,LTDASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.177.96/2816plssProcess Control Technology Ltd, BeijingASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.177.112/2816xygjCollege internationalASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.177.128/2732tzczBeijing Tianzheng Intellectual Creative Informational Technology Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.177.160/2732sestBeijing CNC Technology , inc.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.177.192/298zryjInstitute of Nature Chinese Academy of SciencesASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.177.200/298bfqhDalian Northern Futures Broker co., Ltd, Beijing BranchASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.177.208/2816fsysBeijing Fresennius Kabi Pharmaceutical Co., Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.177.224/2816jcsjBeijing Jiecheng Century Media Technology Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.177.240/2816cjdsCity Construction PlazaASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.178.0/25128dfgjBeijing Eastern AOC Electronic co, Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.178.128/2732zyjtBeijing metallurgy equipments research & design institutionASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.178.160/2732zhsdBeijing Zhuoshida Auto-control engineering technology Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.178.192/2732hjbhState Envionmental Protection Administration Of ChinaASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.178.224/2816zcxcBeijing Zhongchuang Telecom Test CO.,Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.178.240/298dnsqComputer Business Information NewsASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.178.248/298jcdsJingchao BuildingASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.179.0/298rsdsRuisai BuildingASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.179.8/298stdsShitong BuildingASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.179.16/298dwjzChina Construction First Division Group The Fifth Construction Co.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.179.32/2816yhsyChina Yinhong Industry Develop Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.179.48/2816rpzsBeijing Runping IPR Agent Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.179.64/2732gjbdAOC Semiconductor Shanghai Branch.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.179.96/2732dtrjBeijing Dingtian Software Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.179.128/25128dztsChina Geological LibraryASSIGNED 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