Data as of Nov 8, 2026
203.250.192.0/18
No anonymizer space · no proxy exits in 30 daysKISTI
Network & registry
Origin network
AS1237
KR
- Name
- KISTI
- Type
- Education
- Registered
- Aug 1, 2002
- Domain
- kreonet.net
- Website
- kreonet.net
- Industry
- Banks, Credit Card Companies, Mortgage Providers
- 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 · 22 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.250.192.0/18 | AS1237 | /24 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 203.250.192.0/19 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.192.0/20 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.192.0/21 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.192.0/22 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.192.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.192.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.193.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.194.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.194.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.195.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.196.0/22 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.196.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.196.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.197.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.198.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.198.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.199.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.200.0/21 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.200.0/22 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.200.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.200.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.201.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.202.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.202.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.203.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.204.0/22 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.204.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.204.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.205.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.206.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.206.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.207.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.208.0/20 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.208.0/21 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.208.0/22 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.208.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.208.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.209.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.210.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.210.0/24 | AS1237 | NTTCOM | proxy for HANARO TELECOM route | MAINT-HANARO | Aug 12, 2010 |
| 203.250.210.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.211.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.212.0/22 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.212.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.212.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.213.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.214.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.214.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.215.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.216.0/21 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.216.0/22 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.216.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.216.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.217.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.218.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.218.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.219.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.220.0/22 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.220.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.220.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.221.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.222.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.222.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.223.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.224.0/19 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.224.0/20 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.224.0/21 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.224.0/22 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.224.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.224.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.225.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.226.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.226.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.227.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.228.0/22 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.228.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.228.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.229.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.230.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.230.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.231.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.232.0/21 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.232.0/22 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.232.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.232.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.233.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.234.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.234.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.235.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.236.0/22 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.236.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.236.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.237.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.238.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.238.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.239.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.240.0/20 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.240.0/21 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.240.0/22 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.240.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.240.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.241.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.242.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.242.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.243.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.244.0/22 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.244.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.244.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.245.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.246.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.246.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.247.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.248.0/21 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.248.0/22 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.248.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.248.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.249.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.250.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.250.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.251.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.252.0/22 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.252.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.252.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.253.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.254.0/23 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.254.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.250.255.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
Whois
Registration for this announcement
- Range
- 203.
250. 128. 0/ 17 - Netname
- KREONet-KR
- Registrant
- KISTI
- Registrant country
- KR
- Organization
- KISTI
- 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