203.243.0.0/18 no ROA
Announced by AS4766 Korea Telecom.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS4766 Korea Telecom | no ROA | 43 | 503044766 | 2026-09-18 | 2026-09-24 |
RPKI
No ROA covers this prefix
No ROA covers this prefix, so origin validation returns "unknown". That is not a fault; most of the table is still unsigned.
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 203.243.0.0/18
- RIR
- APNIC
- Country
- 🇰🇷 KR
- Status
- allocated
- Allocated
- 1996-09-29
Less specific routes
Announced prefixes that contain this one
Nothing less specific is announced.
More specific routes
7 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 203.243.0.240/28 v4 | AS4766 Korea Telecom | no ROA | 2 | 2026-09-18 |
| 203.243.1.0/24 v4 | AS17841 NATIONAL INFORMATION RESOURCES SERVICE | no ROA | 44 | 2026-09-18 |
| 203.243.15.0/24 v4 | AS23575 SK Broadband Co Ltd | no ROA | 44 | 2026-09-18 |
| 203.243.16.0/24 v4 | AS23575 SK Broadband Co Ltd | no ROA | 44 | 2026-09-18 |
| 203.243.39.0/24 v4 | AS4766 Korea Telecom | no ROA | 44 | 2026-09-18 |
| 203.243.41.0/24 v4 | AS18034 Gangneung-Wonju National University | no ROA | 44 | 2026-09-18 |
| 203.243.42.0/24 v4 | AS18034 Gangneung-Wonju National University | no ROA | 44 | 2026-09-18 |