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Data as of Nov 5, 2026

221.7.57.16/28

No anonymizer space · no proxy exits in 30 days

CHINA UNICOM China169 Backbone · space held by China Unicom Gansu province network

Announcement
221.7.32.0/19
RPKI valid
Announced by
AS4837
Type
Business

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
221.7.32.0/198,192UNICOM-GSChina Unicom Gansu province networkALLOCATED PORTABLE—hqs-ipabuse@chinaunicom.cn
└ 221.7.57.16/2816RADIO-and-TV-ADMINISTRATION-BUREAU-WWunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-GS
└ 221.7.57.24/298SHIJI-CLUB-WWShiji Network ClubASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via RADIO-and-TV-ADMINISTRATION-BUREAU-WW

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 221.7.32.0/19

Prefix
221.7.32.0/19
Announced by
AS4837 CHINA UNICOM China169 Backbone
Type
Residential
Proxy exits
7
Always-on exits
1
RPKI
RPKI valid
Netname
UNICOM-GS
Registrant
China Unicom Gansu province network
RIR
APNIC
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