Data as of Nov 14, 2026
203.237.240.0/22
No anonymizer space · no proxy exits in 30 daysSK Broadband Co Ltd · space held by Korean Education Network
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 203.237.128.0/17 since May 2005 | AS4766 | Residential | 113 1 always on | Korean Education Network |
Network & registry
Announced by
Covering announcement 203.237.240.0/21
- Prefix
- 203.237.240.0/21
- Announced by
- AS9318 SK Broadband Co Ltd
- Type
- Residential
- RPKI
- No RPKI
- Netname
- KREN-KR
- Registrant
- Korean Education Network
- RIR
- APNIC
Origin network
AS9318
KR
- Name
- SK Broadband Co Ltd
- Type
- Internet provider
- Registered
- Jun 3, 1998
- Domain
- skbroadband.com
- Website
- www.skbroadband.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 6
Routing timeline
Covering aggregate above, the prefix's own history below
203.237.240.0/21
Routing history
- Pattern
- Stable
- First seen
- Dec 2015
- Current origin since
- Dec 2019 · 6.9 yr
- Origin networks
- 2
- Last change of origin
- Dec 2019
Recorded history
History
- Handoffs
- 1
IRR
Route objects on 203.237.240.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS9318 | RADB | Dongeui Institute of Technology | MAINT-AS9318 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 203.
237. 128. 0/ 17 - 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
- Sep 29, 1996
- Status
- assigned
Report abuse
Abuse contact
- irt@
nic. or. kr - Name
- IRT-KRNIC-KR
- Handle
- IRT-KRNIC-KR