Data as of Nov 10, 2026

210.77.136.0/24

No anonymizer space · no proxy exits in 30 days

IDC, China Telecommunications Corporation · space held by China Internet Network Information Center

Announcement
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
210.77.128.0/1732,768CNNICChina Internet Network Information CenterALLOCATED PORTABLE—ipas@cnnic.cn
└ 210.77.128.0/198,192CHINA-21VIANET21ViaNet(China),Inc.ALLOCATED PORTABLE—ipas@cnnic.cn
└ 210.77.136.0/212,048A1DIAL-NET21 ViaNet (China),Inc.ASSIGNED NON-PORTABLE—ipas@cnnic.cn
via CHINA-21VIANET

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

Routing timeline

Who has announced 210.77.128.0/19

210.77.128.0/19

Routing history

Pattern
Stable
First seen
May 2005
Current origin since
May 2017 · 9.4 yr
Origin networks
3
Last change of origin
May 2017
Recorded history

History

Handoffs
4