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Data as of Nov 8, 2026

203.187.188.0/22

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
└ 203.187.188.0/2732fjsChina nonmetal groupASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.188.32/2732zsdBeijing zhuishida engineering technic Co,ltdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.188.64/2816hwgcChina abroad engineering Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.188.80/2816jxgsZhongguo engineering and agriculture engine Co,ltdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.188.96/298atxtAntuo system Co,ltdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.188.104/298zjwtZhongji wangtong Co,ltdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.188.112/2816xgkjBeijing xingge technology Co,ltdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.188.128/298wjkjBeijing wangjing technology boroughASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.188.136/298zcdsBeijing zhongchen buildingASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.188.144/2816dtysDatong international conveyanceASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.188.160/298wgzyWeigen costume Co,ltdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.188.168/298tlmyTaili mingyuan buildingASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.188.176/2816cxcxBeijing chaoxiang chuangxin technology Co,ltdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.188.192/2732zjsgsChina architecture group fourthly Co,ltdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.188.224/2732fzwbBeijing legal system evening paperASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.189.0/25128rmdxPeople's university of ChinaASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.189.128/2816acmyTianjin anchi commerce Co,ltdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.189.144/2816whdsWuhua buildingASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.189.160/2732zjlyhBeijing expert sodalityASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.189.192/2816zrwBeijing zhongrenwang information consultation refer Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.189.208/2816ttwhTiantian Kultur Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.189.224/2732jxsbChina engine equipment entrance Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.190.0/24256zgckjZhongguancun science and technology Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.191.0/2664thsjTianhong shiji Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.191.64/2664hysmHuayuan anima domain Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.191.128/25128yttBeijing yitongtong telecom engineering 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