Data as of Nov 15, 2026

209.172.210.0/23

No anonymizer space · no proxy exits in 30 days

CyrusOne LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
Hosting
Risk
50 / 100 · Medium

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
209.172.208.0/22
since Feb 2019
AS62HostingCyrusOne LLC
209.172.192.0/19
since Dec 2016
AS62HostingCyrusOne LLC

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Jul 2018
Current origin since
Jul 2018 · 8.3 yr
Origin networks
1