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Data as of Nov 4, 2026

210.51.8.192/27

No anonymizer space · no proxy exits in 30 days

China Unicom Beijing Province Network · space held by China Unicom IP network

Announcement
210.51.8.0/21
RPKI valid
Announced by
AS4808
Type
Hosting
Risk
50 / 100 · Medium

Announcements

Less specific

Covering announcements

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

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
210.51.0.0/1665,536UNICOM-CNChina Unicom IP networkALLOCATED PORTABLE—hqs-ipabuse@chinaunicom.cn
└ 210.51.0.0 - 210.51.19.2555,120CNC-BJ-IDCBeijing Tongtai IDC of China NetcomALLOCATED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.51.8.192/2732taipingyangyixin-technologicalxicheng district,beijing chinaASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via CNC-BJ-IDC

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
Announced by

Covering announcement 210.51.8.0/21

Prefix
210.51.8.0/21
Announced by
AS4808 China Unicom Beijing Province Network
Type
Hosting
RPKI
RPKI valid
Netname
CNC-BJ-IDC
Registrant
Beijing Tongtai IDC of China Netcom
RIR
APNIC
Registry

Holder

Organization
China Unicom IP network
Range
210.51.0.0/16
Registration type
ALLOCATED PORTABLE
Reallocated to
Beijing Tongtai IDC of China Netcom
Reallocated range
210.51.0.0 - 210.51.19.255
Reallocation type
ALLOCATED NON-PORTABLE
Origin network

AS4808

CN
Name
China Unicom Beijing Province Network
Type
Internet provider
Registered
Jan 9, 1996
Domain
chinaunicom.cn
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed