Data as of Nov 14, 2026
121.141.60.0/24
No anonymizer space · no proxy exits in 30 daysKOSCOM · space held by Korea Telecom
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 121.136.0.0/13 since Dec 2009 | AS4766 | Residential | 3,909 142 always on | Korea Telecom | |
| 121.128.0.0/12 since Sep 2009 | AS4766 | Residential | 7,663 275 always on | Korea Telecom | |
| 121.128.0.0/11 since Apr 2006 | AS4766 | Residential | 15,405 484 always on | Korea Telecom |
Network & registry
Origin network
AS9526
KR
- Name
- KOSCOM
- Type
- Business
- Registered
- May 13, 1999
- Domain
- koscom.co.kr
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jan 2023
- Current origin since
- Jan 2023 · 3.8 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS9526 | RADB | AS 9526 | MAINT-AS9318 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 121.
128. 0. 0/ 11 - Netname
- KORNET-KR
- Registrant
- Korea Telecom
- Registrant country
- KR
- Organization
- Korea Telecom
- Org country
- KR
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Maintainer
- MNT-KRNIC-AP
- RIR
- APNIC
- Country
- KR
- Delegated
- Apr 7, 2006
- Status
- assigned
Report abuse
Abuse contact
- irt@
nic. or. kr - Name
- IRT-KRNIC-KR
- Handle
- IRT-KRNIC-KR