Data as of Nov 6, 2026
61.72.128.0/23
No anonymizer space · no proxy exits in 30 daysSangmyung University · space held by Korea Telecom
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 61.72.0.0/13 since May 2005 | AS4766 | Residential | 3,231 176 always on |
Network & registry
Origin network
AS18031
KR
- Name
- Sangmyung University
- Type
- Education
- Registered
- Dec 9, 2002
- Domain
- smu.ac.kr
- Industry
- Education Software
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS18031 | RADB | contact [email protected] if necessary | MAINT-AS3786 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 61.
72. 0. 0/ 14 - 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
- Dec 12, 2000
- Status
- assigned
Report abuse
Abuse contact
- irt@
nic. or. kr - Name
- IRT-KRNIC-KR
- Handle
- IRT-KRNIC-KR