Data as of Nov 4, 2026

210.109.152.0/21

No anonymizer space · no proxy exits in 30 days

Sejong Networks

Announcement

No RPKI

Announced by

Type

Business

Announcements

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
210.109.152.0/24 since Feb 2010	AS18300	Business	Sejong Networks
210.109.153.0/24 since Feb 2010	AS18300	Business	Sejong Networks
210.109.154.0/24 since Feb 2010	AS18300	Business	Sejong Networks
210.109.155.0/24 since Feb 2010	AS18300	Business	Sejong Networks
210.109.156.0/24 since Feb 2010	AS18300	Business	Sejong Networks
210.109.157.0/24 since Feb 2010	AS18300	Business	Sejong Networks
210.109.158.0/24 since Feb 2010	AS18300	Business	Sejong Networks
210.109.159.0/24 since Feb 2010	AS18300	Business	Sejong Networks

Announced by

Origin network

Origin	Registry	Description	Maintainer	Modified
AS9848	REACH	REACH (Customer Route)	MAINT-REACH-NOC	Aug 19, 2005
AS9848	RADB	Sejong Telecom	MAINT-AS9318	Nov 13, 2023