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Data as of Nov 5, 2026

221.2.83.0/24

No anonymizer space · no proxy exits in 30 days

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

Announcement
this exact prefix
RPKI valid
Announced by
AS4837
Type
Residential
52% of it
Recent change
New origin Oct 10, 2026
its first announcement on record

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
221.2.0.0/16
since May 2005
AS4837Residential173
14 always on
China Unicom Shandong 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
221.0.0.0 - 221.3.127.255229,376UNICOM-SDChina Unicom Shandong province networkALLOCATED PORTABLE—hqs-ipabuse@chinaunicom.cn
└ 221.2.83.0/2816FPGFeixian People GovernmentASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-SD
└ 221.2.83.16/304FORFeixian Order RoomASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-SD
└ 221.2.83.20/304FLT-IBARFeixian LanTian Internet BarASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-SD
└ 221.2.83.28/304FXXGFeixian XinXiGangASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-SD
└ 221.2.83.32 - 221.2.83.4918FXD-IBARFeixian xiongdi Internet BarASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-SD
└ 221.2.83.52/304FNMFeixian Network ManageASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-SD
└ 221.2.83.56/304FFY-IBARFeixian FeiYun Internet BarASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-SD
└ 221.2.83.68/304FTPY-IBARFeixian TaiPingYang Internet BarASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-SD
└ 221.2.83.72/304FXC-IBARFeixian XinChao Internet BarASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-SD
└ 221.2.83.76/304FXCFeixian Xia ChunfengASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-SD
└ 221.2.83.96/304FLC-IBARFeixian LangChao Internet BarASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-SD
└ 221.2.83.100/304FY-IBARFeixian Yuanlai Internet BarASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-SD
└ 221.2.83.104/304FCUFeixian Credit UniteASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-SD
└ 221.2.83.108/304FY-IBARFeixian Yuanlai Internet BarASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-SD
└ 221.2.83.112/298FSMSFeixian Shiyan Middle SchoolASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-SD
└ 221.2.83.120/304FZYYGJFeixian ZhongYiYuan GaoJianASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-SD
└ 221.2.83.152/304FZGCFeixian ZhongGu CliqueASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-SD
└ 221.2.83.188/304FHY-IBARFeixian HuanYu Internet BarASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-SD
└ 221.2.83.194 - 221.2.83.1974FTNSFeixian Tong Negotiable SecuritiesASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-SD
└ 221.2.83.208/304FCZ-IBARFeixian ChengZhi Internet BarASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-SD
└ 221.2.83.212/304FXC-IBARFeixian XiangCun Internet BarASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-SD
└ 221.2.83.232/304FDQFeixian DianQiASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-SD
└ 221.2.83.236/304LinYi-FXZP-IBARLinYi-FeiXian ZhaoPeng Internet BarASSIGNED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via UNICOM-SD

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
Residential13452%10
Business12248%23

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