Data as of Nov 4, 2026

210.72.192.0/19

No anonymizer space · no proxy exits in 30 days

China Unicom Beijing Province Network · space held by China Internet Network Information Center

Announcement

this exact prefix

No RPKI

Announced by

AS4808

Type

Business

50% of it

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
210.72.192.0/18	16,384	CNNIC	China Internet Network Information Center	ALLOCATED PORTABLE	—	[email protected]
└ 210.72.192.0/19	8,192	HTTX	Communication Center, China Aerospace	ALLOCATED PORTABLE	—	[email protected]
└ 210.72.192.0/25	128	YIYUAN-YUANBAN	unknown	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.192.128/25	128	YIYUAN-JIHUABU	unknown	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.193.0/25	128	YIYUAN-KAIFABU	unknown	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.193.128/25	128	YIYUAN-JISHUBU	unknown	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.194.0/26	64	YIYUAN-WUZIBU	Commodities Department of China Aerospace Corporation first academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.194.64/26	64	YIYUAN-JIJIANBU	Construction Department of China Aerospace Corporation first academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.194.128/26	64	YIYUAN-XINZHENGBU	Administrative Department of China Aerospace First Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.194.192/26	64	YIYUAN-ZHENGZHIBU	Personnel resourse Department of China Aerospace First Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.195.0/26	64	YIYUAN-JIWEI	Audit Department of China Aerospace First Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.195.64/26	64	YIYUAN-GONGHUI	Labour Union of China Aerospace First Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.195.128/26	64	YIYUAN-YIBU	First Department of China Aerospace First Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.195.192/26	64	YIYUAN-TONGXINZHAN	Communication station of China Aerospace First Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.196.0/26	64	ERYUAN-YUANBAN	Office of China Aerospace Second Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.196.64/26	64	ERYUAN-JIHUABU	Project Department of China Aerospace Second Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.196.128/26	64	ERYUAN-KEYANBU	Scientific Research Department of China Aerospace Second Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.196.192/26	64	ERYUAN-RENSHIBU	Personnel Resource Department of China Aerospace Second Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.197.0/26	64	ERYUAN-XINGZHENGBU	Administrative Department of China Aerospace Second Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.197.64/26	64	ERYUAN-JIWEI	Planning Department of China Aerospace Second Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.197.128/26	64	ERYUAN-SHENJIBU	Audit Department of China Aerospace Second Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.197.192/26	64	ERYUAN-DANGGONGBU	Political work Department of China Aerospace Second Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.198.0/26	64	ERYUAN-GONGHUI	Labour Union of China Aerospace Second Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.198.64/26	64	ERYUAN-SHICHANGBU	Marketing department of China Aerospace Second Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.198.128/26	64	ERYUAN-CHANGFENGJITUAN	CHANGFENGJITUAN of China Aerospace Second Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.198.192/26	64	ERYUAN-TONGXINZHAN	Communication Stations of China Aerospace Second Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.199.0/26	64	ERYUAN-WUZHIBU	the Department of goods and materials in China Aerospace Second Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.199.64/26	64	ERYUAN-JIJIANBU	Construction Department of China Aerospace Second Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.199.128/26	64	ERYUAN-DONGLIBU	Power Supplies Department of China Aerospace Second Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.199.192/26	64	ERYUAN-721YIYUAN	721 Hospital of China Aerospace Second Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.204.0/26	64	SANYUAN-YUANBAN	Office of China Aerospace Thirds Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.204.64/26	64	SANYUAN-JIHUABU	Project Department of China Aerospace Thirds Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.204.128/26	64	SANYUAN-KEYANBU	Scientific Research Department of China Aerospace Thirds Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.204.192/26	64	SANYUAN-RENSHIBU	Personnel Resource Department of China Aerospace Thirds Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.205.0/26	64	SANYUAN-XINGZHENGBU	Administrative Department of China Aerospace Thirds Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.205.64/26	64	SANYUAN-JIWEI	Planning Department of China Aerospace Thirds Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.205.128/26	64	SANYUAN-SHENJIBU	Audit Department of China Aerospace Thirds Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.205.192/26	64	SANYUAN-DANGGONGBU	Political Work Department of China Aerospace Thirds Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.206.0/26	64	SANYUAN-GONGHUI	Labour Union of China Aerospace Thirds Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.206.64/26	64	SANYUAN-SHICHANGBU	Marketing department of China Aerospace Thirds Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.206.128/26	64	SANYUAN-HAIYINGGONGSHI	Haiying Company of China Aerospace Thirds Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.206.192/26	64	SANYUAN-TONGXINZHAN	Communication station of China Aerospace Thirds Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.207.0/26	64	SANYUAN-WUZIBU	the Department of goods and materials of China Aerospace Thirds Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.207.64/26	64	SANYUAN-JIJIANBU	Construction Department of China Aerospace Thirds Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.207.128/26	64	SANYUAN-DONGLIBU	Power Supplies Department of China Aerospace Thirds Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.207.192/26	64	SANYUAN-731YIYUAN	731 Hospital of China Aerospace Thirds Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.220.0/26	64	WUYUAN-KEYANBU	Scientific Research Department of China Aerospace Fifth Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.220.64/26	64	WUYUAN-RENSHIBU	Personnel Resource Department of China Aerospace Fifth Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.220.128/26	64	WUYUAN-XINGZHENGBU	Administrative Department of China Aerospace Fifth Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.220.192/26	64	WUYUAN-JIWEI	Planning Department of China Aerospace Fifth Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.221.0/26	64	WUYUAN-SHENJIBU	Audit Department of China Aerospace Fifth Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.221.64/26	64	WUYUAN-TONGXINZHAN	Communication Station of China Aerospace Fifth Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.221.128/26	64	WUYUAN-DANGGONGBU	Political Work office of China Aerospace Fifth Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.221.192/26	64	WUYUAN-SHICHANGBU	Marketing Department of China Aerospace Fifth Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.222.0/26	64	QIYUAN-KEYANBU	Scientific Research Department of China Aerospace Seventh Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.222.64/26	64	CSTNET-QIYUAN-RENSHIBU	Personnel Resource Department of China Aerospace Seventh Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.222.128/26	64	QIYUAN-XINGZHENGBU	Administrative Department of China Aerospace Seventh Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.222.192/26	64	QIYUAN-JIWEI	Planning Department of China Aerospace Seventh Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.223.0/26	64	QIYUAN-SHENJIBU	Audit Department of China Aerospace Seventh Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.223.64/26	64	QIYUAN-TONGXINZHAN	Communication Station of China Aerospace Seventh Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.223.128/26	64	QIYUAN-DANGGONGBU	Political Work Office of China Aerospace Seventh Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX
└ 210.72.223.192/26	64	QIYUAN-SHICHANGBU	Marketing Department of China Aerospace Seventh Academy	ASSIGNED NON-PORTABLE	—	[email protected] via HTTX

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	4,096	50%	60
Residential	4,096	50%	2

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

IPv4 market

Holder

Holder in the market →

Organization: China Internet Network Information Center
Range: 210.72.192.0/18
Registration type: ALLOCATED PORTABLE

Origin network

AS4808

Name: China Unicom Beijing Province Network
Type: Internet provider
Registered: Jan 9, 1996
Domain: chinaunicom.cn
Industry: Internet Service Provider (ISP)
Spamhaus ASN-DROP: not listed

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS4808	NTTCOM	CMI IP Transit	MAINT-CMI-INT-HK	May 25, 2016
AS4808	RADB	CMI (Customer Route)	MAINT-AS58453	Nov 13, 2023

IRR inside

Route objects inside

Prefix	Origin	Registry	Description	Maintainer	Modified
210.72.192.0/20	AS17431	RADB	CMI (Customer Route)	MAINT-AS58453	Nov 13, 2023
210.72.192.0/20	AS17431	NTTCOM	CMI IP Transit	MAINT-CMI-INT-HK	May 25, 2016
210.72.208.0/20	AS17431	RADB	CMI (Customer Route)	MAINT-AS58453	Nov 13, 2023
210.72.208.0/20	AS17431	NTTCOM	CMI IP Transit	MAINT-CMI-INT-HK	May 25, 2016

210.72.192.0/19

Registrations in this block

Composition

Address share

Types across the prefix

Network & registry

Holder

AS4808

Who has announced this prefix

Routing history

Route objects on the exact prefix

Route objects inside

Registration for this announcement

Abuse contact