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Data as of Nov 5, 2026

221.213.48.0/22

No anonymizer space · no proxy exits in 30 days

CHINA UNICOM China169 Backbone · space held by China Unicom Yunnan province network

Announcement
this exact prefix
RPKI valid
Announced by
AS4837
Type
Business
75% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
221.213.0.0/16
since May 2005
AS4837Residential632
2 always on
China Unicom Yunnan 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
221.213.0.0/1665,536UNICOM-YNChina Unicom Yunnan province networkALLOCATED PORTABLE—hqs-ipabuse@chinaunicom.cn
└ 221.213.48.0/2816YN-GTJA-stockjobberYN-GTJA-stockjobber,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.48.16/2816YN-HongTa-stockjobberYN-HongTa-stockjobber,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.48.32/2816YN-agriculture-bankYN-agriculture-bank,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.48.48/2816KM-aimy-foreign-language-training-schoolKM-aimy-foreign-language-training-school,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.48.64/2816KM-BeiLei-art-schoolKM-BeiLei-art-school ,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.48.80/2816KM-PL-technology-training-schoolKM-PL-technology-training-school,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.48.96/2816KM-WH-foreign-language-schoolKM-WH-foreign-language-school,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.48.112/2816KM-WIRELESS-CORPKM-WIRELESS-CORP,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.48.128/2816KM-WH-EDU-COMMITTEEKM-WH-EDU-COMMITTEE,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.48.144/2816KM-NATION-TAXIATIONKM-NATION-TAXIATION,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.48.160/2816YN-DEVELOPMENT-CORPYN-DEVELOPMENT-CORP ,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.48.176/2816YN-KM-PETROLEUM-CORPYN-KM-PETROLEUM-CORP,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.48.192/2816KM-INFO-INSTITUTEKM-INFO-INSTITUTE,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.48.208/2816KM-GX-HIGH-SCHOOLKM-GX-HIGH-SCHOOL,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.48.224/2816KM-NT-HIGH-SCHOOLKM-NT-HIGH-SCHOOL,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.48.240/2816KM-DJW-primary-schoolKM-DJW-primary-school,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.49.0/2816yn-km-number-two-experiment-middle-schoolyunnan kunming number two experiment middle school,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.49.16/298yn-km-AngAng-Internet-Baryunnan kunming AngAng Internet Bar,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.49.24/298yunnan-kunming-XW-groupyunnan kuming XW group,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.49.32/2732yn-km-sickness-contain-centeryunnan kunming sickness contain center,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.49.64/298yn-km-AnBang-secureyunnan kunming AnBang secure,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.49.72/304yn-km-the-Pearl-netyunnan kunming the Pearl net,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.49.76/304yunnan-km-ERDS-wool-companyyunnan kunming ERDS wool company,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.49.80/2816yn-km-City-Transportyunnan kunming City Transport,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.49.96/2732yn-km-DaGuan-companyyunnan kunming DaGuan company,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.49.128/298yn-km-PenZhuang-Internet-Baryunnan kunming PenZhuang Internet Bar,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.49.136/298yn-km-TianYu-Internet-Baryunnan kunming TianYu Internet Bar,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.49.144/298yn-km-XiPi-companyyunnan kunming XiPi company,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.49.152/298yn-km-GuangShu-Internet-Baryunnan GuangShu Internet Bar,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.49.160/2732yn-km-WuHua-communication-officeyunnan kunming YiLiang communication office,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.49.192/2732yn-km-WuHua-ICBCyunnan kunming YiLiang ICBC,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.49.224/298yn-km-number-six-primary-schoolyunnan kunming number six primary school,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.49.232/298yn-km-YanHuang-middle-schoolyunnan kunming YanHuang middle school,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.49.240/298yn-km-WangQing-Internet-Baryunnan kunming WangQing Internet Bar,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.49.248/298yn-km-QianYan-Internet-Baryunnan kunming QianYan Internet Bar,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.50.0/2816YN-GTJA-stockjobberYN-GTJA-stockjobber,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.50.16/2816YN-HongTa-stockjobberYN-HongTa-stockjobber,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.50.32/2816YN-agriculture-bankYN-agriculture-bank,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.50.48/2816KM-aimy-foreign-language-training-schoolKM-aimy-foreign-language-training-school,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.50.64/2816KM-BeiLei-art-schoolKM-BeiLei-art-school ,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.50.80/2816KM-PL-technology-training-schoolKM-PL-technology-training-school,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.50.96/2816KM-WH-foreign-language-schoolKM-WH-foreign-language-school,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.50.112/2816KM-WIRELESS-CORPKM-WIRELESS-CORP,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.50.128/2816KM-WH-EDU-COMMITTEEKM-WH-EDU-COMMITTEE,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.50.144/2816KM-NATION-TAXIATIONKM-NATION-TAXIATION,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.50.160/2816YN-DEVELOPMENT-CORPYN-DEVELOPMENT-CORP ,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.50.176/2816YN-KM-PETROLEUM-CORPYN-KM-PETROLEUM-CORP,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.50.192/2816KM-INFO-INSTITUTEKM-INFO-INSTITUTE,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.50.208/2816KM-GX-HIGH-SCHOOLKM-GX-HIGH-SCHOOL,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.50.224/2816KM-NT-HIGH-SCHOOLKM-NT-HIGH-SCHOOL,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.50.240/2816KM-DJW-primary-schoolKM-DJW-primary-school,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN
└ 221.213.51.0/24256yn-km-broadcast-television-telecomyunnan kunming broadcast televisiong telecom ,kunming,yunnanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-YN

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
Business76875%51
Residential25625%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS4837

CN
Name
CHINA UNICOM China169 Backbone
Type
Internet provider
Registered
Sep 17, 2001
Domain
chinaunicom.cn
Website
www.chinaunicom.cn/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed