Data as of Nov 8, 2026
121.140.50.0/24
No anonymizer space · no proxy exits in 30 daysKorea Data Telecommunication Co., Ltd. · 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 | 3,629 172 always on | Korea Telecom | |
| 121.128.0.0/12 since Sep 2009 | AS4766 | Residential | 7,166 345 always on | Korea Telecom | |
| 121.128.0.0/11 since Apr 2006 | AS4766 | Residential | 14,147 627 always on | Korea Telecom |
Network & registry
Origin network
AS55592
KR
- Name
- Korea Data Telecommunication Co., Ltd.
- Type
- Hosting
- Registered
- Jul 21, 2010
- Domain
- kdtidc.com
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2014
- Current origin since
- Oct 2019 · 7.0 yr
- Origin networks
- 2
- Last change of origin
- Oct 2019
Recorded history
History
- Handoffs
- 2
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