Data as of Nov 15, 2026

61.104.0.0/17

1 residential-proxy exit · 30 days

SK Telecom

Announcement

61.104.0.0/16

No RPKI

Announced by

AS9644

Type

Mobile

98% of it

Residential-proxy exits

Proxy exits

<0.01% of its addresses · 30 days

Spread

1 of 128

/24s with at least one exit

Providers

selling exits here

Oct 16, 2026 – Nov 14, 2026

Exits seen per day

2 observations

Proxy providers listing exits

Thordata

Announcements

More specific

Announcements inside

Prefix	Origin	Type	Holder	RPKI
61.104.55.0/24 since Oct 2006	AS38130	Business	SK Telecom
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

32,768 addresses

Type	Addresses	Share	Ranges
Mobile	32,256	98%	3
Business	512	1.6%	2

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