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Data as of Nov 8, 2026

203.187.164.0/22

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
└ 203.187.164.0/24256GWGHBeijing Great Wall Guang Huan Broadband Network Technology Co., Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.165.0/24256GWGHBeijing Great Wall Guang Huan Broadband Network Technology Co., Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.166.0/25128DCFJBeijing Municipal Public Security Bureau Dongcheng SubstationASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.166.128/2664HJGCCHELBI Engineering Consultants, Inc.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.166.192/2732SWXYBeijing ShenWeiXunTeng Technology Development Co., LtdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.166.224/2816JNKZGlencore Resource Asia Co., Ltd Beijing representative officeASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.166.240/2816BEIRENBeiRen Group Co., LtdASSIGNED NON-PORTABLE—ipas@cnnic.cn
via SINNET
└ 203.187.167.0/24256BJJBBeijing JingBaoChangAn Estate and property management 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