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Data as of Nov 10, 2026

221.4.222.0/23

No anonymizer space · no proxy exits in 30 days

China Unicom IP network China169 Guangdong province · space held by China Unicom Guangdong province network

Announcement
this exact prefix
RPKI valid
Announced by
AS17816
Type
Residential
>99% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
221.4.0.0/16
since May 2005
AS17816Residential281
9 always on
China Unicom Guangdong province 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
221.4.0.0 - 221.5.127.25598,304UNICOM-GDChina Unicom Guangdong province networkALLOCATED PORTABLE—hqs-ipabuse@chinaunicom.cn
└ 221.4.222.148/304liu-bing-qiangliu-bing-qiang, Zhuhai, Guangdong provinceASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn

Composition

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

Announced space

Address share

Announced space

Types across the prefix

512 addresses
TypeAddressesShareRanges
Residential508>99%2
Business40.78%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS17816

CN
Name
China Unicom IP network China169 Guangdong province
Type
Internet provider
Registered
Jul 11, 2001
Domain
chinaunicom.cn
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed