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Data as of Nov 15, 2026

123.58.0.0/19

No anonymizer space · no proxy exits in 30 days

IDC, China Telecommunications Corporation

Announcement
this exact prefix
No RPKI
Announced by
AS23724
Type
Hosting
97% of it

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
123.58.0.0/20
since Nov 6, 2026
AS23724HostingChina Unicom Cloud Data Company Limited
123.58.16.0/20
since Aug 2016
AS23724HostingBeijing nine cloud infinite network technology co., LTD
123.58.18.0/24AS131495Internet providerBeijing nine cloud infinite network technology co., LTD

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
123.58.0.0/204,096CU-CDCChina Unicom Cloud Data Company LimitedALLOCATED PORTABLEAug 28, 2016xingxin2@chinaunicom.cn
└ 123.58.0.0/212,048ZLLXBeijing Zhonglianlixin Technology Co., Ltd.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
123.58.16.0/204,096Nine-cloudBeijing nine cloud infinite network technology co., LTDALLOCATED PORTABLEAug 28, 2016wangrui@jywx.com
└ 123.58.16.0/212,048Nine-cloudBeijing nine cloud infinite network technology co., LTDALLOCATED PORTABLE—ipas@cnnic.cn
└ 123.58.24.0/212,048KUGOUGuangZhou KuGou Computer Technology Co.LtdALLOCATED PORTABLE—ipas@cnnic.cn

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

8,192 addresses
TypeAddressesShareRanges
Hosting7,93697%3
Internet provider2563.1%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Jun 2013
Current origin since
Aug 2016 · 10 yr
Origin networks
2
Last change of origin
Jun 2016
Recorded history

History

Handoffs
1