LAYER3 INTEL
Get started
Sign in
Data as of Nov 5, 2026

220.243.144.0/20

No anonymizer space · no proxy exits in 30 days

IDC, China Telecommunications Corporation · space held by ChinaNetCenter Ltd.

Announcement
this exact prefix
RPKI valid
Announced by
AS23724
Type
Hosting
81% of it

Operators, sellers and brokers

Corporate gateways

NameParentIn 220.243.144.0/20/24s
Zscaler
76819%
3

Announcements

More specific

Announcements inside

PrefixOriginTypeOperatorHolderRPKI
220.243.153.0/24
since Jul 2022
AS23724HostingChinaNetCenter Ltd.
220.243.154.0/24
since Jul 2022
AS23724Corporate gatewayCorporate gatewaysoperated by ZscalerChinaNetCenter Ltd.
220.243.155.0/24
since Jul 2022
AS23724Corporate gatewayCorporate gatewaysoperated by ZscalerChinaNetCenter Ltd.
220.243.156.0/24
since Jul 2022
AS23724HostingChinaNetCenter Ltd.
220.243.157.0/24
since Nov 2024
AS23724HostingChinaNetCenter Ltd.
220.243.158.0/24
since Apr 2026
AS23724Corporate gatewayCorporate gatewaysoperated by ZscalerChinaNetCenter Ltd.

Composition

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

Announced space

Address share

Announced space

Types across the prefix

4,096 addresses
TypeAddressesShareRanges
Hosting3,32881%5
Corporate gateway76819%3

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS23724

CN
Name
IDC, China Telecommunications Corporation
Type
Hosting
Registered
Apr 22, 2003
Domain
chinatelecom.cn
Spamhaus ASN-DROP
not listed