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Data as of Nov 6, 2026

210.21.8.0/22

No anonymizer space · no proxy exits in 30 days

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

Announcement
this exact prefix
RPKI valid
Announced by
AS17622
Type
Residential
87% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
210.21.0.0/18
since Apr 2016
AS17622Residential68
11 always on
China Unicom IP network
via China Unicom Guangdong province network
210.21.0.0/17
since May 2005
AS17622Residential100
20 always on
China Unicom IP network
via 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
210.21.0.0 - 210.22.255.255131,072UNICOM-CNChina Unicom IP networkALLOCATED PORTABLE—hqs-ipabuse@chinaunicom.cn
└ 210.21.0.0/1665,536UNICOM-CNChina Unicom IP networkASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
└ 210.21.0.0/1732,768UNICOM-GDChina Unicom Guangdong province networkALLOCATED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
└ 210.21.8.0/24256guangzhou-rengqiu-qingshun-corpguangzhou cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-GD
└ 210.21.9.0/2664guangzhou-wenhua-jingwen-corpguangzhou cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-GD
└ 210.21.9.8/298CNCNET-NETMEETINGCNCnet NetmeetingASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via guangzhou-wenhua-jingwen-corp
└ 210.21.9.64/2732guangzhou-fenghuang-corpguangzhou cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-GD
└ 210.21.9.96/2816guangzhou-yuntao-jiureng-corpguangzhou cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-GD
└ 210.21.9.112/298guangzhou-weiba-shihui-corpguangzhou cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-GD
└ 210.21.9.120/298guangdong-quanqiutong-corpguangzhou cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-GD
└ 210.21.9.128/298TIANHEYING-CORPtianheying corp,guangzhou cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-GD
└ 210.21.9.160/2816guangdong-baiyun-jichangguangzhou cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-GD
└ 210.21.9.176/298guangdong-baiyun-jichang-info-centerguangzhou cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-GD
└ 210.21.9.184/298guangzhou-guangming-zhengda-corpguangzhou cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-GD
└ 210.21.9.192/2664AIRDROME-CENTERairdrome information manage center, guangzhou cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-GD
└ 210.21.10.0/2816YIHE-TECHyihe tech,guangzhou cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-GD
└ 210.21.10.16/298XINFEI-NETWORKxinfei network,guangzhou cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-GD
└ 210.21.10.24/298guangzhou-rongguang-corpguangzhou cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-GD
└ 210.21.10.32/2816guangzhou-yiliu-wenti-corpguangzhou cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-GD
└ 210.21.10.48/2816guangzhou-sheng-renshi-centerguangzhou cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-GD
└ 210.21.10.64/2664guangzhou-rengjing-huayuan-corpguangzhou cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-GD
└ 210.21.10.128/2664guangzhou-huifeng-tuiwu-corpguangzhou cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-GD
└ 210.21.10.192/2732guangzhou-zhuangyan-corpguangzhou cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-GD
└ 210.21.10.224/2732guangzhou-guangfa-bankguangzhou cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-GD
└ 210.21.11.0/24256guangzhou-qiufeng-saoluo-corpguangzhou cityASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-GD

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

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

Announced space

Address share

Announced space

Types across the prefix

1,024 addresses
TypeAddressesShareRanges
Residential88887%5
Business13613%8

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 Guangdong province network
Reallocated range
210.21.0.0/17
Reallocation type
ALLOCATED NON-PORTABLE
Origin network

AS17622

CN
Name
China Unicom Guangzhou network
Type
Internet provider
Registered
Jan 18, 2001
Domain
chinaunicom.cn
Industry
Computer and Information Technology
Spamhaus ASN-DROP
not listed