Data as of Nov 7, 2026
203.240.192.0/18
No anonymizer space · no proxy exits in 30 daysShinbiro · space held by Sejong Networks
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 203.240.192.0/19 since Oct 2013 | AS4670 | Residential | Sejong Networks | |
| 203.240.193.0/24 since Jul 2022 | AS4670 | Residential | Sejong Networks | |
| 203.240.194.0/24 since Jan 2024 | AS9848 | Internet provider | Sejong Networks | |
| 203.240.208.0/24 since Jul 2021 | AS4670 | Residential | Sejong Networks | |
| 203.240.209.0/24 since Jul 2021 | AS4670 | Residential | Sejong Networks | |
| 203.240.210.0/24 since Jul 2021 | AS4670 | Residential | Sejong Networks | |
| 203.240.212.0/24 since Jul 2021 | AS4670 | Residential | Sejong Networks | |
| 203.240.213.0/24 since Jul 2021 | AS4670 | Residential | Sejong Networks | |
| 203.240.214.0/24 since Jul 2021 | AS4670 | Residential | Sejong Networks | |
| 203.240.215.0/24 since Jul 2021 | AS4670 | Residential | Sejong Networks | |
| 203.240.216.0/24 since Jul 2021 | AS4670 | Residential | Sejong Networks | |
| 203.240.217.0/24 since Jul 2021 | AS4670 | Residential | Sejong Networks | |
| 203.240.218.0/24 since Jul 2021 | AS4670 | Residential | Sejong Networks | |
| 203.240.219.0/24 since Jul 2021 | AS4670 | Residential | Sejong Networks | |
| 203.240.220.0/24 since Jul 2021 | AS4670 | Residential | Sejong Networks | |
| 203.240.221.0/24 since Jul 2021 | AS4670 | Residential | Sejong Networks | |
| 203.240.222.0/24 since Jul 2021 | AS4670 | Residential | Sejong Networks | |
| 203.240.224.0/19 since May 2020 | AS4670 | Residential | Sejong Networks | |
| 203.240.224.0/24 since Jul 2020 | AS4670 | Residential | Sejong Networks | |
| 203.240.225.0/24 since Apr 2021 | AS4670 | Residential | Sejong Networks | |
| 203.240.226.0/24 since Dec 2024 | AS4670 | Residential | Sejong Networks | |
| 203.240.227.0/24 since Aug 2020 | AS4670 | Residential | Sejong Networks | |
| 203.240.228.0/24 since Jun 2020 | AS4670 | Residential | Sejong Networks | |
| 203.240.229.0/24 since Mar 2020 | AS4670 | Residential | Sejong Networks | |
| 203.240.231.0/24 since Apr 2020 | AS4670 | Residential | Sejong Networks | |
| 203.240.232.0/24 since Aug 2020 | AS4670 | Residential | Sejong Networks | |
| 203.240.234.0/24 since Jun 2021 | AS4670 | Residential | Sejong Networks | |
| 203.240.235.0/24 since Jun 2021 | AS4670 | Residential | Sejong Networks | |
| 203.240.236.0/24 since Jul 2024 | AS4670 | Residential | Sejong Networks | |
| 203.240.238.0/23 since Jun 2020 | AS4670 | Residential | Sejong Networks | |
| 203.240.240.0/24 since Aug 2020 | AS4670 | Residential | Sejong Networks | |
| 203.240.241.0/24 since Nov 2021 | AS4670 | Residential | Sejong Networks | |
| 203.240.242.0/24 since Feb 2023 | AS4670 | Residential | Sejong Networks | |
| 203.240.243.0/24 since Feb 2023 | AS4670 | Residential | Sejong Networks | |
| 203.240.244.0/24 since Jan 2024 | AS9848 | Internet provider | Sejong Networks | |
| 203.240.248.0/24 since May 2009 | AS4670 | Residential | Sejong Networks | |
| 203.240.249.0/24 since Oct 2022 | AS4670 | Residential | Sejong Networks | |
| 203.240.250.0/24 since Oct 2022 | AS4670 | Residential | Sejong Networks | |
| 203.240.251.0/24 since Mar 2024 | AS4670 | Residential | Sejong Networks | |
| 203.240.252.0/24 since Mar 2024 | AS4670 | Residential | Sejong Networks | |
| 203.240.253.0/24 since Mar 2024 | AS4670 | Residential | Sejong Networks | |
| 203.240.254.0/24 since Sep 2021 | AS4670 | Residential | Sejong Networks | |
| 203.240.255.0/24 since Sep 2021 | AS4670 | Residential | Sejong Networks |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
16,384 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 15,872 | 97% | 47 | |
| Internet provider | 512 | 3.1% | 2 |
Network & registry
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
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4670 | RADB | Shinbiro | MAINT-AS4766 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 203.
240. 192. 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
- irt@
nic. or. kr - Name
- IRT-KRNIC-KR
- Handle
- IRT-KRNIC-KR