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Data as of Nov 7, 2026

221.199.203.0/24

No anonymizer space · no proxy exits in 30 days

CHINA UNICOM China169 Backbone · space held by China Unicom Neimeng Province Network

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

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
221.199.192.0/20
since May 2005
AS4837ResidentialChina Unicom Neimeng 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
221.199.128.0 - 221.199.207.25520,480UNICOM-NMChina Unicom Neimeng Province NetworkALLOCATED PORTABLE—hqs-ipabuse@chinaunicom.cn
└ 221.199.203.0/298InnerMongoliaLinhezxyhInnerMongoliaLinhezxyhASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.4/304BaShiNongMuYeXinXiZhongXinBaShiNongMuYeXinXiZhongXinASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via InnerMongoliaLinhezxyh
└ 221.199.203.8/298InnerMongoliaLinhezxyhInnerMongoliaLinhezxyhASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.16/298InnerMongoliaLinhezxyhInnerMongoliaLinhezxyhASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.24/298InnerMongoliaLinhezxyhInnerMongoliaLinhezxyhASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.32/298InnerMongoliaLinhezxyhInnerMongoliaLinhezxyhASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.40/298InnerMongoliaLinhezxyhInnerMongoliaLinhezxyhASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.52/304InnerMongoliaLinheTieLuJuLeBuInnerMongoliaLinheTieLuJuLeBuASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.56/304InnerMongoliaLinheLianDeShangMaogsunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.60/304InnerMongoliaLinheChaoYinSuwbInnerMongoliaLinheChaoYinSuwbASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.72/298InnerMongoliaLinhezxyhInnerMongoliaLinhezxyhASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.74 - 221.199.203.785BSBYGSBaShiBaYunGongSiASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via InnerMongoliaLinhezxyh
└ 221.199.203.80/298InnerMongoliaLinheguangxianxiaoquunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.100/304InnerMongoliaLinheTianLaiwbInnerMongoliaLinheTianLaiwbASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.104/304InnerMongoliaLinheGuoYouBinGuanInnerMongoliaLinheGuoYouBinGuanASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.108/304InnerMongoliaLinheChaoYue_WBInnerMongoliaLinheChaoYue WBASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.112/304InnerMongoliaLinheMingDian_WBInnerMongoliaLinheMingDian WBASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.116/304InnerMongoliaLinheFuYuanReLigsInnerMongoliaLinheFuYuanReLigsASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.120/304InnerMongoliaLinheYanShiTingInnerMongoliaLinheYanShiTingASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.124/304InnerMongoliaLinheShiYouGongSiInnerMongoliaLinheShiYouGongSiASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.136/304InnerMongoliaLinheGongLuGuanLiJvunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.140/304InnerMongoliaLinheFeiLongCheHangDWunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.144/304InnerMongoliaLinheyinhefandianInnerMongoliaLinheyinhefandianASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.148/304InnerMongoliaLinhehefengmianfengchangunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.152/304InnerMongoliaLinhedandaFEWBInnerMongoliaLinhedandaFEWBASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.160/304InnerMongoliaLinhedandaFEDWInnerMongoliaLinhedandaFEDWASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.168/304InnerMongoliaLinheyilong_WBInnerMongoliaLinheyilong WBASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.172/304InnerMongoliaLinhezxyhInnerMongoliaLinhezxyhASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.176/304InnerMongoliaLinhehuanyingwangluohuisuo_wbunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.180/304InnerMongoliaLinhehuyangbailipingWBunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.184/304InnerMongoliaLinhehongchengfuliInnerMongoliaLinhehongchengfuliASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.188/304InnerMongoliaLinhecaoyongjun_WBInnerMongoliaLinhecaoyongjun WBASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.192/304InnerMongoliaLinhedianyejuInnerMongoliaLinhedianyejuASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.200/304InnerMongoliaLinhetukezhenzhengfuunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.204/304InnerMongoliaLinhehaoyuzhong_WBInnerMongoliaLinhehaoyuzhong WBASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.208/304InnerMongoliaLinhelinhenongchangchangbuunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.212/304InnerMongoliaLinhechenguanzhenzhengfuunknownASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.216/298InnerMongoliaLinhezxyhInnerMongoliaLinhezxyhASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.240/298InnerMongoliaLinhequzhengfuInnerMongoliaLinhequzhengfuASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM
└ 221.199.203.252/304InnerMongoliaLinhe5loujifangInnerMongoliaLinhe5loujifangASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-NM

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

256 addresses
TypeAddressesShareRanges
Business19275%41
Residential6425%9

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