Data as of Nov 3, 2026
203.236.145.0/24
Anonymizer · ISP proxySejong Networks
IPv4 market
Path
1 · Holder
2 · Leased from
not leased
Operators, sellers and brokers
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 203.236.128.0/18 since May 2005 | AS9848 | Internet provider | 1 | Sejong Networks |
Network & registry
Announced by
Covering announcement 203.236.144.0/20
- Prefix
- 203.236.144.0/20
- Announced by
- AS9848 Sejong Networks
- Type
- ISP proxy
- Anonymizer addresses
- 3,840 addresses · 94%
- Operator
- Proxy providersoperated by SkyQuantumsold by Novada, LumiProxy
- RPKI
- No RPKI
- Netname
- SEJONG-KR
- Registrant
- Sejong Networks
- RIR
- APNIC
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
203.236.144.0/20
Routing history
- Pattern
- Stable
- First seen
- Jan 2025
- Current origin since
- Jan 2025 · 1.8 yr
- Origin networks
- 1
IRR
Route objects on 203.236.144.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS9848 | RADB | SejongTelecom.co.ltd | MAINT-AS4670 | Nov 11, 2025 |
Whois
Registration for this announcement
- Range
- 203.236.128.0/18
- 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
- [email protected]
- Name
- IRT-KRNIC-KR
- Handle
- IRT-KRNIC-KR