Data as of Nov 14, 2026

211.239.152.0/21

No anonymizer space · no proxy exits in 30 days

Hostway IDC · space held by Sejong Networks

Announcement
this exact prefix
No RPKI
Announced by
Type
Hosting

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
211.239.128.0/18
since May 2005
AS9848Internet providerSejong Networks
Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
211.239.152.0/24
since Jun 2021
AS9952HostingSejong Networks
211.239.153.0/24
since Jun 2021
AS9952HostingSejong Networks
211.239.154.0/24
since Jun 2021
AS9952HostingSejong Networks
211.239.155.0/24
since Jun 2021
AS9952HostingSejong Networks
211.239.156.0/24
since May 2024
AS9952HostingSejong Networks
211.239.157.0/24
since May 2024
AS9952HostingSejong Networks
211.239.158.0/24
since Jun 2021
AS9952HostingSejong Networks
211.239.159.0/24
since Feb 2024
AS9952HostingSejong Networks

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Reactivated
First seen
May 2005
Current origin since
Apr 2025 · 1.6 yr
Origin networks
2
Last change of origin
Apr 2025
Recorded history

History

Handoffs
1