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Data as of Nov 7, 2026

210.51.238.0/23

No anonymizer space · no proxy exits in 30 days

CHINA UNICOM Industrial Internet Backbone · space held by China Unicom IP network

Announcement
this exact prefix
RPKI valid
Announced by
AS9929
Type
Business

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
└ 210.51.238.0/2664shanghai-gejie-corpshanghai cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.238.64/2816hefei-NETWORK-MANAGEMENThefei branch of CNCASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.238.80/2816shanghai-feijin-corpshanghai cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.238.96/304shanghai-xieguai-corpshanghai cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.238.100/304HEIFEI-BAIHUA-BINGUANhefei cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.238.104/298HEFEI-TECH-QINGBAO-SUOhefei cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.238.112/304HEFEI-INFO-CENTERhefei cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.238.116/304ANHUI-SCIENCE-TECH-PUBLISHINGanhui science tech publishingASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.238.120/298XINYUAN-TECH-CORPxinyuan tech corp,hefei cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.238.128/2732shanghai-sufen-corpshanghai cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.238.160/2816shanghai-sishuo-xinyu-corpshanghai cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.238.176/298shanghai-jiejue-corpshanghai cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.238.184/304shanghai-maliya-corpshanghai cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.238.188/304shanghai-niwoxin-corpshanghai cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.238.192/2816ANHUI-INFORMATION-CENTERanhui information network center,anhui provinceASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.238.208/2816HEFEI-SIBIDE-NETBARhefei cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.238.224/2816SHIJIE-COMPUTER-TRAIN-CENTERshijie computer train center,anhui provinceASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.238.240/298CHUANSUO-NETBARchuansuo netbar,anhui provinceASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.238.248/298shanghai-yangshui-corpshanghai cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.239.0/25128shanghai-yixin-corpshanghai cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.239.128/2664ningbo-vcningbo cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.239.192/2732shanghai-gaofeng-corpshanghai cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.239.224/2816shanghai-manglili-corpshanghai cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.239.240/2816shanghai-wangjing-corpshanghai cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.239.248/298SHANGHAI-CNETshanghai cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via shanghai-wangjing-corp

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

AS9929

CN
Name
CHINA UNICOM Industrial Internet Backbone
Type
Internet provider
Registered
Apr 5, 2000
Domain
chinaunicom.cn
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed