Data as of Nov 10, 2026

183.131.4.0/24

No anonymizer space · no proxy exits in 30 days

AS58461 · space held by CHINANET Zhejiang province network

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

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
183.128.0.0/11
since Feb 2011
AS4134Residential14,450
32 always on
CHINANET Zhejiang 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
183.128.0.0/112,097,152CHINANET-ZJCHINANET Zhejiang province networkALLOCATED PORTABLE—anti-spam@chinatelecom.cn
└ 183.128.0.0/121,048,576CHINANET-ZJ-ZXCHINANET-ZJ Zhongxin node networkALLOCATED NON-PORTABLE—antispam_zjnoc@163.com
└ 183.131.4.0/24256HANGZHOU-XIAOSHANHangzhou treasure network co., LTDASSIGNED NON-PORTABLE—antispam_zjnoc@163.com

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Sep 2018
Current origin since
Sep 2018 · 8.2 yr
Origin networks
1