Data as of Nov 6, 2026
61.104.0.0/17
1 residential-proxy exit · 30 daysSK Telecom
Residential-proxy exits
Proxy exits
1
<0.01% of its addresses · 30 days
Spread
1 of 128
/24s with at least one exit
Providers
1
selling exits here
Oct 7, 2026 – Nov 5, 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
Announced by
Covering announcement 61.104.0.0/16
- Prefix
- 61.104.0.0/16
- Announced by
- AS9644 SK Telecom
- Type
- Mobile
- Proxy exits
- 11
- Always-on exits
- 2
- RPKI
- No RPKI
- Netname
- SK-TELECOM-NET-KR
- Registrant
- SK Telecom
- RIR
- APNIC
Origin network
AS9644
KR
- Name
- SK Telecom
- Type
- Internet provider
- Registered
- Aug 18, 1999
- Domain
- sktelecom.com
- Website
- www.sktelecom.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
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 |
Whois
Registration for this announcement
- Range
- 61.
104. 0. 0/ 16 - Netname
- SK-TELECOM-NET-KR
- Registrant
- SK Telecom
- Registrant country
- KR
- Organization
- SK Telecom
- Org country
- KR
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Maintainer
- MNT-KRNIC-AP
- RIR
- APNIC
- Country
- KR
- Delegated
- Mar 21, 2001
- Status
- assigned
Report abuse
Abuse contact
- irt@
nic. or. kr - Name
- IRT-KRNIC-KR
- Handle
- IRT-KRNIC-KR