Data as of Nov 3, 2026

210.83.192.0/19

No anonymizer space · no proxy exits in 30 days

CHINA UNICOM Industrial Internet Backbone · space held by China Unicom IP network

Announcement

this exact prefix

RPKI valid

Announced by

AS9929

Type

Business

72% of it

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Proxy exits	Holder	RPKI
210.83.0.0/16 since May 2005	AS9929	Internet provider	14	China Unicom IP network

More specific

Announcements inside

Prefix	Origin	Type	Holder	RPKI
210.83.218.0/24 since Mar 2026	AS9929	Internet provider	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	—	[email protected]
└ 210.83.194.28/30	4	NUOWEI-CHUANJI	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.195.0/25	128	DALIAN-SHIDAI-MANSION	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.195.128/27	32	DALIAN-CHAIYOUJI-CHANG	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.195.160/27	32	DALIAN-YOUYI-SHANGCHANG	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.195.192/27	32	dalian-jiukun-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.195.224/28	16	CNC-DONGBEI-BRANCH	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.195.240/28	16	JINLIAN-MANSION	jinlian mansion,dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.196.0/25	128	DALIAN-DUSHI-HAIJING	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.196.128/25	128	DALIAN-SHIMAO-MANSION	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.197.0/26	64	DALIAN-LIYUAN-MANSION	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.197.64/27	32	DALIAN-FANGZHI-MANSION	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.197.96/27	32	dalian-changyou-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.197.128/26	64	DALIAN-HONGYU-MANSION	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.197.192/27	32	dalian-huanan-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.197.224/27	32	DALIAN-PINGAN-IDC	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.198.0/25	128	dalian-pingan-mansion	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.198.128/25	128	dalian-pingan-mansion	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.199.0/25	128	dalian-zhujiang-guoji-mansion	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.199.128/25	128	dalian-zhujiang-guoji-mansion	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.200.0/24	256	DALIAN-JINGUANG-CORP	unknown	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.201.0/27	32	YIDA-NEW-WORLD	yida new world district,dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.201.32/27	32	dalian-xinwai-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.201.64/26	64	dalian-zhengyi-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.201.128/25	128	dalian-anding-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.202.0/26	64	dalian-zhongguancun-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.202.64/29	8	DALIAN-NATIONAL-LTD	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.202.72/29	8	dalian-xisanhuan-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.202.80/28	16	dalian-baishiqiao-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.202.96/27	32	dalian-fuxingmen-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.202.128/27	32	XINGHAI-RENJIA	xinghai renjia , dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.202.160/27	32	CHUANGYE-CENTER-MANSION	chuangye center mansion,dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.202.192/26	64	DALIAN-RUANJIAN-YUAN-KEJI-MANSION	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.203.0/25	128	DALIAN-GAOXIN-YUANQU	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.203.128/25	128	DALIAN-SENMAO-MANSION	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.204.0/25	128	DALIAN-HONGYU-MANSION	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.204.128/27	32	dalian-xinxing-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.204.160 - 210.83.204.168	9	dalian-sitongqiao-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.204.168/29	8	DALIAN-MANHADUN-MANSION	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.204.176/29	8	DALIAN-TIANHELU-XIAOQU	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.204.184/29	8	dalian-donghuan-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.204.192/28	16	dalian-anhuiqiao-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.204.208/29	8	dalian-jingguangqiao-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.204.216/29	8	DALIAN-QINGHEYUAN-XIAOQU	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.204.224/29	8	dalian-beitaiping-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.204.232/29	8	DALIAN-KEXUEJIA-GONGYU	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.204.240/29	8	LIAONING-GROCERY-MANSION	liaoning grocery mansion,liaoning province	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.204.248/29	8	YIKEJI-DEVELOPMENT-LTD	yikeji development Ltd,dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.205.0/25	128	dalian-info-fazhan-Ltd	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.205.128/25	128	dalian-info-fazhan-Ltd	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.206.0/25	128	dalian-dongbei-IDC	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.206.128/25	128	dalian-dongbei-IDC	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.207.0/27	32	HUAWEI-8850-TEST	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.207.32/29	8	DALIAN-XINNINGYUAN-XIAOQU	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.207.40/29	8	YITONG-TECH-FAZHAN-LTD	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.207.48/29	8	BAOYING-LTD-DALIAN-BRANCH	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.207.56/29	8	DALIAN-KONGSANJUN-JIASHU	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.207.64/27	32	dalian-shimocun-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.207.96/28	16	DALIAN-SHIQIAO-LANHU	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.207.112/28	16	dalian-fangzhuang-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.207.128/26	64	DALIAN-CPN-BILLING	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.207.224/29	8	DALIAN-HAIYUE-XINGDA-XIAOQU	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.207.232/29	8	DALIAN-GAOQI-TECH-LTD	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.207.240/28	16	dalian-guanganmen-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.208.0/25	128	dalian-fenghuang-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.208.128/25	128	dalian-weimaohua-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.209.128/25	128	dalian-yanshaqiao-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.210.0/26	64	dalian-technology-university	Dalian University of Technology, China	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.210.128/25	128	dalian-beitaiping-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.211.0/25	128	dalian-yuting-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.211.128/25	128	dalian-guangjiu-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.212.0/25	128	dalian-shencuiting-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.212.128/25	128	dalian-fanxing-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.213.0/25	128	dalian-shenhuo-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.213.128/25	128	dalian-xinyuanli-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.214.0/25	128	dalian-fangtingwai-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.214.128/25	128	dalian-xuexing-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.215.0/25	128	dalian-fangxingyan-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.215.128/25	128	dalian-huiyi-qunti-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.216.0/25	128	dalian-huntudan-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.216.128/25	128	dalian-huihua-wenti-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.217.0/25	128	dalian-xinyuanzhuang-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.217.128/25	128	dalian-fuboshan-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.218.0/25	128	dalian-xiangbishan-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.219.0/25	128	dalian-yonghegong-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.220.0/25	128	dalian-yunzhuang-sikou-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN
└ 210.83.220.128/25	128	dalian-qixing-huayuan-corp	dalian city	ASSIGNED NON-PORTABLE	—	[email protected] via UNICOM-CN

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

8,192 addresses

Type	Addresses	Share	Ranges
Business	5,924	72%	85
Internet provider	2,268	28%	9

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Origin network

AS9929

Name: CHINA UNICOM Industrial Internet Backbone
Type: Internet provider
Registered: Apr 5, 2000
Domain: chinaunicom.cn
Industry: Internet Service Provider (ISP)
Spamhaus ASN-DROP: not listed

210.83.192.0/19

Announcements

Covering announcements

Announcements inside

Registrations in this block

Composition

Address share

Types across the prefix

Network & registry

AS9929

Covering aggregate above, the prefix's own history below

Routing history

Route origin authorizations

Registration for this announcement

Abuse contact

ROA prefix	ASN	Max len	Anchor	Verdict
210.83.192.0/19	AS9929	/19	APNIC	RPKI valid
210.83.0.0/16	AS9929	/16	APNIC	Too specific