Data as of Nov 12, 2026

210.83.240.0/20

No anonymizer space · no proxy exits in 30 days

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

Announcement

this exact prefix

RPKI valid

Announced by

AS17623

Type

Business

86% of it

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Proxy exits	Holder	RPKI
210.83.224.0/19 since May 2005	AS17623	Residential	3	China Unicom IP network via China Unicom Guangdong province network
210.83.0.0/16 since May 2005	AS9929	Internet provider	15	China Unicom IP 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.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
210.82.0.0/15	131,072	UNICOM-CN	China Unicom IP network	ALLOCATED PORTABLE	—	hqs-ipabuse@chinaunicom.cn
└ 210.83.224.0/19	8,192	UNICOM-GD	China Unicom Guangdong province network	ALLOCATED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-CN
└ 210.83.240.0/27	32	aidasi-communication-ltd	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.240.32/27	32	tuopu-commerce-trade-corp	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.240.64/26	64	economy-develop-yutu	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.240.128/25	128	taoyuan-tea-center	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.241.0/26	64	lianggu-estate-corp	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.241.64/26	64	lishen-traffic-ltd	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.241.128/26	64	jinhai-runhua-advertisement	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.241.192/26	64	wanxiang-communication-ltd	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.242.0/26	64	yizhida-industry-trade-ltd	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.242.64/26	64	tongwang-science-technology-corp	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.242.128/27	32	aiguan-electron-corp	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.242.160/27	32	jinan-nurse-school	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.242.192/26	64	kangmei-life-research-bureau	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.243.0/26	64	kehua-works-service	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.243.64/26	64	luneng-assembly-electron-corp	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.243.128/25	128	youxun-network	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.244.0/26	64	dexin-foodstuff-ltd	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.244.64/26	64	jinan-nayang-school	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.244.128/26	64	shensi-electron-system-corp	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.244.192/27	32	shanda-lianrun-information-ltd	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.244.224/27	32	haixin-science-technology-ltd	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.245.0/25	128	shichao-software-development-corp	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.245.128/25	128	huamai-high-science-technology	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.246.0/27	32	huatai-computer-corp	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.246.32/27	32	xiehong-network-science-technology	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.246.64/26	64	zhizhuren-netbar	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.246.128/26	64	xinqi-dream-factory	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.246.192/26	64	yingtai-digital-data-corp	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.247.0/25	128	mingjia-science-technology-works-ltd	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.247.128/27	32	yamaxun-electron-corp	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.247.160/27	32	fuchen-development-ltd	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.247.192/26	64	dacheng-tianmu-networks	jinan city,shandong province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.248.0/26	64	xincheng-huaye-ltd	tianjin city	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.248.64/26	64	xinyue-computer-corp	tianjin city	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.248.128/26	64	xinde-netbar	tianjin city	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.248.192/26	64	hongye-shiji-netbar	tianjin city	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.249.0/26	64	kangbao-zhonghui-electron-corp	tianjin city	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.249.64/26	64	yuweng-network-design-corp	tianjin city	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.249.128/25	128	tengxiang-information-service	tianjin city	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.250.0/24	256	jinhua-science-education-center	tianjin city	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.251.0/27	32	tongmai-science-technology	tianjin city	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.251.32/27	32	luoxin-medicine-ltd	tianjin city	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.251.64/26	64	lejin-digital-mobile-corp	tianjin city	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.251.128/26	64	xinhuatong-corporation-design-corp	tianjin city	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.251.192/26	64	saibo-numeral-square	tianjin city	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.252.0/25	128	taikang-renshou-insurance	tianjin city	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.252.128/27	32	south-north-software	tianjin city	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.252.160/27	32	shengya-advertisement	tianjin city	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.252.192/26	64	wenxin-household-center	tianjin city	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.253.0/27	32	anli-estate	tianjin city	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.253.32/27	32	jishijie-concatenate-group	tianjin city	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.253.64/26	64	xinxi-hotel	tianjin city	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.253.128/26	64	saiya-restaurant	tianjin city	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.253.192/26	64	bohui-netbar	tianjin city	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.254.0/25	128	yalian-culture-advertisement-corp	tianjin city	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.254.128/27	32	bohai-zhengquan-consultation-corp	tianjin city	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.254.160/27	32	xinan-netbar	tianjin city	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.254.192/26	64	yunheng-science-technology-corp	tianjin city	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-GD
└ 210.83.255.0/24	256	taida-club	tianjin city	ASSIGNED 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

4,096 addresses

Type	Addresses	Share	Ranges
Business	3,520	86%	56
Residential	512	13%	2
Mobile	64	1.6%	1

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern: Stable
First seen: Jul 2008
Current origin since: Nov 2019 · 7.0 yr
Origin networks: 1

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
210.83.240.0/20	AS17623	/20	APNIC	RPKI valid
210.83.224.0/19	AS17623	/19	APNIC	Too specific
210.83.0.0/16	AS9929	/16	APNIC	Another network

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS17623	APNIC	China Unicom	MAINT-CNCGROUP-RR	Jun 8, 2023

IRR inside

Route objects inside

Prefix	Origin	Registry	Description	Maintainer	Modified
210.83.240.0/24	AS17623	APNIC	China Unicom	MAINT-CNCGROUP-RR	Jun 8, 2023
210.83.243.0/24	AS17623	APNIC	China Unicom	MAINT-CNCGROUP-RR	Jun 8, 2023