Data as of Nov 13, 2026
121.187.84.0/23
No anonymizer space · no proxy exits in 30 daysKangwon National University · space held by Korea Telecom
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 121.184.0.0/13 since Dec 2009 | AS4766 | Residential | 3,460 100 always on | Korea Telecom | |
| 121.176.0.0/12 since Sep 2009 | AS4766 | Residential | 7,077 207 always on | Korea Telecom | |
| 121.160.0.0/11 since Nov 2006 | AS4766 | Residential | 14,960 457 always on | Korea Telecom |
Network & registry
Origin network
AS17862
KR
- Name
- Kangwon National University
- Type
- Education
- Registered
- Jul 24, 2001
- Domain
- kangwon.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
- Sep 2015
- Current origin since
- Sep 2015 · 11 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS17862 | RADB | KangWonUniversity | MAINT-AS9318 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 121.
160. 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
- Nov 1, 2006
- Status
- assigned
Report abuse
Abuse contact
- irt@
nic. or. kr - Name
- IRT-KRNIC-KR
- Handle
- IRT-KRNIC-KR