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Data as of Nov 8, 2026

210.51.212.0/22

No anonymizer space · no proxy exits in 30 days

CHINA UNICOM China169 Backbone · space held by China Unicom IP network

Announcement
this exact prefix
RPKI valid
Announced by
AS4837
Type
Business
50% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
210.51.192.0/18
since May 2005
AS9929Internet providerChina Unicom IP network
210.51.0.0/16
since May 2005
AS9929Internet provider62China Unicom IP network

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
210.51.0.0/1665,536UNICOM-CNChina Unicom IP networkALLOCATED PORTABLE—hqs-ipabuse@chinaunicom.cn
└ 210.51.214.0/298HUAGONG-TECH-KAIMU-JICHENGwuhan cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.214.0/304INTEGRATION-TECHNOLOGY-BRANCHkaimu integration technology branch,wuhan city,hubei provinceASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via HUAGONG-TECH-KAIMU-JICHENG
└ 210.51.214.8/304WANWANG-JIEXUN-TECH-LTDwanwang jiexun tech LtdASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.214.12/304shanghai-bajiao-corpshanghai cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.214.16/2816beijing-hiusi-corpbeijing cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.214.32/2732HUAYI-UNITE-SOFTWAREwuhan cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.214.64/2664shanghai-xiangjiao-corpshanghai cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.214.128/25128shanghai-xingshui-corpshanghai cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.215.0/2732HONGKUN-STUDENT-GONGYUwuhan cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.215.32/2816JIANYIN-MANSIONjianyin mansion,wuhan cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.215.48/2816JIGUAN-TELECOME-STATIONjiguan telecome station, hubei provinceASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.215.64/2816WUHAN-TECHNOLOGY-UNIVERSITYwuhan technology university,hubei provinceASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.215.80/2816HANCHUAN-GUANGDIAN-DISTRICThanchuan guangdian district,wuhan cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.215.96/2816HONGMEI-STUDENT-FLAThongmei student flat, wuhan cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.215.112/2816JIANHU-STUDENT-FLATjianhu student flat, wuhan cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.215.128/2816WUHAN-UNIVERSITY-SANHUAN-FLATwuhan university sanhuan flat, hubei provinceASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.215.144/2816AIRLINE-ELECTRICITY-SMALL-DISTRICTairline electricity small district,wuhan city,hubei provinceASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.215.160/2816wuhan-branch-managementwuhan city,hubei provinceASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.215.176/2816ZHONGTIE-DAQIAO-BUREAUzhongtie daqiao bureau,wuhan cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.215.192/2732BROADCAST-TELEVISION-LTDbroadcast television data network Ltd of yangzhou city,jiangshuASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.215.224/2816shanghai-xiangshui-corpshanghai cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.215.240/304DONGJUN-COMPUTER-LTDdongjun computer Ltd,zhenjiang cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.215.244/304WUHAN-VIDEO-CONFENRENCEwuhan cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.215.248/298HAINING-GARDEN-CABAREThaining garden cabaret,haining cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

1,024 addresses
TypeAddressesShareRanges
Business51250%24
Residential51250%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS4837

CN
Name
CHINA UNICOM China169 Backbone
Type
Internet provider
Registered
Sep 17, 2001
Domain
chinaunicom.cn
Website
www.chinaunicom.cn/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed