Data as of Nov 8, 2026
203.228.216.0/22
No anonymizer space · no proxy exits in 30 daysShinbiro · space held by Sejong Networks
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 203.228.128.0/17 since May 2005 | AS4670 | Residential | 4 | Sejong Networks |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 203.228.216.0/24 since Jun 2017 | AS9842 | Business | Sejong Networks |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
1,024 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 768 | 75% | 1 | |
| Business | 256 | 25% | 1 |
Network & registry
Announced by
Covering announcement 203.228.192.0/18
- Prefix
- 203.228.192.0/18
- Announced by
- AS4670 Shinbiro
- Type
- Residential
- Proxy exits
- 2
- RPKI
- No RPKI
- Netname
- SEJONG-KR
- Registrant
- Sejong Networks
- RIR
- APNIC
Origin network
AS4670
KR
- Name
- Shinbiro
- Type
- Internet provider
- Registered
- Jun 16, 1995
- Domain
- shinbiro.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
203.228.192.0/18
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 203.
228. 128. 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
- Apr 23, 1996
- Status
- assigned
Report abuse
Abuse contact
- irt@
nic. or. kr - Name
- IRT-KRNIC-KR
- Handle
- IRT-KRNIC-KR