Data as of Nov 3, 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

Prefix	Origin	Type	Holder	RPKI
211.239.128.0/18 since May 2005	AS9848	Internet provider	Sejong Networks

Nesting

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

More specific

Prefix	Origin	Type	Holder
211.239.152.0/24 since Jun 2021	AS9952	Hosting	Sejong Networks
211.239.153.0/24 since Jun 2021	AS9952	Hosting	Sejong Networks
211.239.154.0/24 since Jun 2021	AS9952	Hosting	Sejong Networks
211.239.155.0/24 since Jun 2021	AS9952	Hosting	Sejong Networks
211.239.156.0/24 since May 2024	AS9952	Hosting	Sejong Networks
211.239.157.0/24 since May 2024	AS9952	Hosting	Sejong Networks
211.239.158.0/24 since Jun 2021	AS9952	Hosting	Sejong Networks
211.239.159.0/24 since Feb 2024	AS9952	Hosting	Sejong Networks

Origin network