Data as of Nov 9, 2026
121.144.144.0/22
No anonymizer space · no proxy exits in 30 daysDong-EUI University · space held by Korea Telecom
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 121.144.0.0/13 since Dec 2009 | AS4766 | Residential | 3,480 137 always on | Korea Telecom | |
| 121.144.0.0/12 since Sep 2009 | AS4766 | Residential | 7,055 287 always on | Korea Telecom | |
| 121.128.0.0/11 since Apr 2006 | AS4766 | Residential | 14,233 635 always on | Korea Telecom |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 121.144.144.0/23 since Nov 2019 | AS9870 | Business | Korea Telecom | |
| 121.144.146.0/23 since Nov 2019 | AS9870 | Business | Korea Telecom |
Network & registry
Origin network
AS9870
KR
- Name
- Dong-EUI University
- Type
- Education
- Registered
- Feb 4, 2000
- Domain
- deu.ac.kr
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2006
- Current origin since
- Nov 2019 · 6.9 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS9870 | RADB | Proxy-Registered Route Object by LG Dacom(AS3786) | MAINT-AS3786 | 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