Data as of Nov 7, 2026
203.241.170.0/23
No anonymizer space · no proxy exits in 30 daysKISTI
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 203.241.170.0/24 | 256 | KREONet | KISTI | ALLOCATED PORTABLE | — | hostmaster@ |
| 203.241.171.0/24 | 256 | KREONet | KISTI | ALLOCATED PORTABLE | — | hostmaster@ |
Network & registry
Registry
Holder
- Organization
- Not stated by the 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 · 21 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.241.170.0/23 | AS1237 | /24 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS1237 | RADB | Proxy-Registered Route Object by DACOM(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 203.241.170.0/24 | AS1237 | RADB | contact [email protected] if necessary | MAINT-AS3786 | Nov 13, 2023 |
| 203.241.170.0/24 | AS9318 | REACH | REACH (Customer Route) | MAINT-REACH-NOC | Jun 4, 2004 |
| 203.241.170.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
| 203.241.171.0/24 | AS1237 | APNIC | Korea Internet & Security Agency (KISA) | MNT-KRNIC-AP | Sep 8, 2025 |
Whois
Registration for this announcement
203.241.170.0/23 spans several registrations: 2 records are listed under Registrations.
- Registrant country
- AU
- RIR
- APNIC
- Country
- KR
- Delegated
- Sep 29, 1996
- Status
- assigned