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Data as of Nov 5, 2026

210.22.4.128/25

No anonymizer space · no proxy exits in 30 days

China Unicom Shenzen network · space held by China Unicom IP network

Announcement
210.22.0.0/19
RPKI valid
Announced by
AS17623
Type
Business

Registrations in this block

The registry's network records over this block, widest first, each 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
└ 210.22.0.0 - 210.22.35.2559,216SHENZHEN2-CNCshenzhen branch, china netcom corpALLOCATED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-CN
└ 210.22.4.128/25128DEVELOPMENT-BANKDevelopment BankASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via SHENZHEN2-CNC
└ 210.22.4.192/2664SHENZHEN-ZHONGLIANG-TIANDINGshenzhen cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via DEVELOPMENT-BANK

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 210.22.0.0/19

Prefix
210.22.0.0/19
Announced by
AS17623 China Unicom Shenzen network
Type
Residential
Proxy exits
5
RPKI
RPKI valid
Netname
SHENZHEN2-CNC
Registrant
shenzhen branch, china netcom corp
RIR
APNIC
Registry

Holder

Organization
China Unicom IP network
Range
210.21.0.0 - 210.22.255.255
Registration type
ALLOCATED PORTABLE
Reallocated to
shenzhen branch, china netcom corp
Reallocated range
210.22.0.0 - 210.22.35.255
Reallocation type
ALLOCATED NON-PORTABLE
Origin network

AS17623

CN
Name
China Unicom Shenzen network
Type
Internet provider
Registered
Jan 18, 2001
Domain
chinaunicom.cn
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed