Data as of Nov 13, 2026
1.233.253.0/24
No anonymizer space · no proxy exits in 30 daysYonsei University
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 1.232.0.0/13 since Aug 2010 | AS9318 | Residential | 2,921 160 always on | |
| 1.224.0.0/11 since Dec 2016 | AS9318 | Residential | 11,507 638 always on |
Network & registry
Origin network
AS4665
KR
- Name
- Yonsei University
- Type
- Education
- Registered
- Dec 17, 2004
- Domain
- yonsei.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
- Feb 2013
- Current origin since
- Feb 2013 · 14 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS9318 not the origin | RADB | SKBroadband-AS-KR | MAINT-AS9318 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 1.
233. 253. 0/ 24 - Netname
- YONSEI-NET-KR
- Registrant
- Yonsei University
- Registrant country
- KR
- Organization
- Yonsei University
- Org country
- KR
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Maintainer
- MNT-KRNIC-AP
- RIR
- APNIC
- Country
- KR
- Delegated
- Jul 19, 2010
- Status
- assigned
Report abuse
Abuse contact
- irt@
nic. or. kr - Name
- IRT-KRNIC-KR
- Handle
- IRT-KRNIC-KR