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Data as of Nov 4, 2026

210.22.55.0/24

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
Residential
Risk
0 / 100 · Low
Recent change
New origin Aug 2026
its first announcement on record

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
210.22.48.0/20
since Aug 2006
AS4837Residential36
1 always on
China Unicom IP network
via China Unicom Hunan provincial 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
210.21.0.0 - 210.22.255.255131,072UNICOM-CNChina Unicom IP networkALLOCATED PORTABLE—hqs-ipabuse@chinaunicom.cn
└ 210.22.0.0/1665,536UNICOM-CNChina Unicom IP networkALLOCATED PORTABLE—hqs-ipabuse@chinaunicom.cn
└ 210.22.48.0/204,096UNICOM-HNChina Unicom Hunan provincial networkALLOCATED 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.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Registry

Holder

Organization
China Unicom IP network
Range
210.21.0.0 - 210.22.255.255
Registration type
ALLOCATED PORTABLE
Reallocated to
China Unicom Hunan provincial network
Reallocated range
210.22.48.0/20
Reallocation type
ALLOCATED NON-PORTABLE
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