Data as of Nov 5, 2026
203.239.111.0/24
No anonymizer space · no proxy exits in 30 daysSejong Networks
Announcement
this exact prefix
No RPKI
Announced by
Type
Internet provider
Risk
0 / 100 · Low
Recent change
New origin May 2026
from AS9848 Sejong Networks, after 15.7 years unannounced
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 203.239.0.0/17 since May 2005 | AS9848 | Internet provider | 1 | Sejong Networks |
Network & registry
Origin network
AS9848
KR
- Name
- Sejong Networks
- Type
- Internet provider
- Registered
- Feb 4, 2000
- Domain
- sejongnetworks.com
- Website
- en.sejongnetworks.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2008
- Current origin since
- May 2026 · 5 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 203.
239. 0. 0/ 17 - Netname
- SEJONG-KR
- Registrant
- Sejong Networks
- Registrant country
- KR
- Organization
- Sejong Networks
- 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