Data as of Nov 7, 2026
203.227.120.0/21
No anonymizer space · no proxy exits in 30 daysSejong Networks
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 203.227.123.0/24 since Jun 2023 | AS9319 | Residential | Sejong Networks |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
2,048 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 1,792 | 88% | 2 | |
| Residential | 256 | 13% | 1 |
Network & registry
Announced by
Covering announcement 203.227.0.0/16
- Prefix
- 203.227.0.0/16
- Announced by
- AS9848 Sejong Networks
- Type
- Internet provider
- Proxy exits
- 13
- 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
Who has announced 203.227.0.0/16
203.227.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 203.
227. 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