Data as of Nov 14, 2026

223.4.128.0/17

1 residential-proxy exit · 30 days

Hangzhou Alibaba Advertising Co.,Ltd. · space held by Aliyun Computing Co., LTD

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

Residential-proxy exits

Proxy exits
1
<0.01% of its addresses · 30 days
Oct 15, 2026 – Nov 13, 2026

Exits seen per day

2 observations

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
223.4.0.0/16
since Feb 2025
AS37963HostingAliyun Computing Co., LTD
223.4.0.0/15
since Nov 2021
AS37963HostingAliyun Computing Co., LTD
223.4.0.0/14
since May 2017
AS37963HostingAliyun Computing Co., LTD

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Sep 2012
Current origin since
Feb 2025 · 1.7 yr
Origin networks
1