Data as of Nov 4, 2026
220.66.3.0/24
No anonymizer space · no proxy exits in 30 daysKorea National University of Transportation · space held by Korean Education Network
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 220.66.0.0/16 since May 2005 | AS3786 | Business | 129 1 always on | Korean Education Network |
Network & registry
Origin network
AS131822
KR
- Name
- Korea National University of Transportation
- Type
- Education
- Registered
- Aug 1, 2011
- Domain
- ut.ac.kr
- Industry
- Education and Research
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Reactivated
- First seen
- May 2005
- Current origin since
- Sep 2022 · 4.2 yr
- Origin networks
- 3
- Last change of origin
- Sep 2022
Recorded history
History
- Handoffs
- 2
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS18157 not the origin | RADB | Proxy-Registered Route Object by DACOM(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 220.66.0.0/15
- Netname
- KREN-KR
- Registrant
- Korean Education Network
- Registrant country
- KR
- Organization
- Korean Education Network
- Org country
- KR
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Maintainer
- MNT-KRNIC-AP
- RIR
- APNIC
- Country
- KR
- Delegated
- Jul 22, 2002
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- IRT-KRNIC-KR
- Handle
- IRT-KRNIC-KR