Data as of Nov 11, 2026

223.4.0.0/16

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

AS37963

Type

Hosting

Residential-proxy exits

Proxy exits

<0.01% of its addresses · 30 days

Oct 12, 2026 – Nov 10, 2026

Exits seen per day

1 observation

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Holder	RPKI
223.4.0.0/15 since Nov 2021	AS37963	Hosting	Aliyun Computing Co., LTD
223.4.0.0/14 since May 2017	AS37963	Hosting	Aliyun Computing Co., LTD

More specific

Announcements inside

Prefix	Origin	Type	Holder	RPKI
223.4.0.0/17 since Feb 2025	AS37963	Hosting	Aliyun Computing Co., LTD
223.4.128.0/17 since Feb 2025	AS37963	Hosting	Aliyun Computing Co., LTD

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern: Stable
First seen: Mar 2011
Current origin since: Feb 2025 · 1.7 yr
Origin networks: 1

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
223.4.0.0/14	AS37963	/24	APNIC	RPKI valid
223.4.0.0/14	AS45102	/24	APNIC	Another network

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS37963	RADB	CMI (Customer Route)	MAINT-AS58453	Nov 9, 2026