Data as of Nov 4, 2026

210.51.189.0/25

No anonymizer space · no proxy exits in 30 days

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

Announcement

RPKI valid

Announced by

Type

Hosting

Risk

50 / 100 · Medium

Announcements

Less specific

Prefix	Origin	Type	Proxy exits	Holder	RPKI
210.51.0.0/16 since May 2005	AS9929	Internet provider	62	China Unicom IP network

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

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
210.51.0.0/16	65,536	UNICOM-CN	China Unicom IP network	ALLOCATED PORTABLE	—	hqs-ipabuse@chinaunicom.cn
└ 210.51.176.0/20	4,096	CNC-BJ-IDC	Beijing YiZhuang IDC of China Netcom	ALLOCATED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-CN
└ 210.51.189.0/25	128	dongfanghutong	BJ SIDC of CNC	ASSIGNED 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.

Announced by

Registry

Origin network