Data as of Nov 14, 2026
203.231.145.0/24
No anonymizer space · no proxy exits in 30 daysPosco DX · space held by Sejong Networks
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 203.231.0.0/16 since May 2005 | AS9848 | Internet provider | 44 | Sejong Networks |
Network & registry
Origin network
AS18305
KR
- Name
- Posco DX
- Type
- Business
- Registered
- Jul 5, 2002
- Domain
- poscoict.com
- Industry
- Metal, Glass, Wood, and Paper Manufacturing
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Reactivated
- First seen
- Dec 2016
- Current origin since
- Sep 2022 · 4.2 yr
- Origin networks
- 2
- Last change of origin
- Sep 2022
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 203.
231. 0. 0/ 16 - 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
- Apr 23, 1996
- Status
- assigned
Report abuse
Abuse contact
- irt@
nic. or. kr - Name
- IRT-KRNIC-KR
- Handle
- IRT-KRNIC-KR