Data as of Nov 10, 2026

61.104.76.0/22

No anonymizer space · no proxy exits in 30 days

SK Telecom

Announcement

61.104.0.0/16

No RPKI

Announced by

AS9644

Type

Mobile

75% of it

Announcements

More specific

Announcements inside

Prefix	Origin	Type	Holder	RPKI
61.104.76.0/24 since Feb 2006	AS17841	Business	SK Telecom

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

1,024 addresses

Type	Addresses	Share	Ranges
Mobile	768	75%	1
Business	256	25%	1

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Who has announced 61.104.0.0/16

61.104.0.0/16

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

IRR

Route objects on 61.104.0.0/16

Origin	Registry	Description	Maintainer	Modified
AS9277 not the origin	NTTCOM	Temporary regisitered customer object by NTT Korea	MAINT-NTTCOM-BB	Jul 27, 2004
AS9644	RADB	SKTelecom	MAINT-AS9318	May 1, 2025
AS18302 not the origin	NTTCOM	SKNETWORKS	MAINT-SKNETWORKS	Nov 28, 2005
AS18302 not the origin	RADB	PACNET (proxy-registered route object)	MAINT-AS4637	Nov 13, 2023