Data as of Nov 8, 2026
203.238.56.0/22
No anonymizer space · no proxy exits in 30 daysPusan Cable TV System Co., Ltd. · space held by Sejong Networks
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 203.238.0.0/17 since May 2005 | AS9848 | Internet provider | 4 | Sejong Networks |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 203.238.56.0/24 since Apr 2020 | AS9492 | Business | Sejong Networks | |
| 203.238.57.0/24 since May 2005 | AS9492 | Business | Sejong Networks | |
| 203.238.58.0/24 since May 2005 | AS9492 | Business | Sejong Networks | |
| 203.238.59.0/24 since Apr 2020 | AS9492 | Business | Sejong Networks |
Network & registry
Origin network
AS23584
KR
- Name
- Pusan Cable TV System Co., Ltd.
- Type
- Internet provider
- Registered
- Dec 24, 2002
- Domain
- hcn.co.kr
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2012
- Current origin since
- Mar 2012 · 15 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS23584 | RADB | as-name HYROADPUSAN-AS-KR | MAINT-AS9318 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 203.
238. 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