203.251.0.0/17 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 | 2026-10-12 |
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
- 203.251.0.0/17
- 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
8 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 203.251.7.0/24 v4 | AS4766 Korea Telecom | no ROA | 45 | 2026-09-18 |
| 203.251.38.104/29 v4 | AS4766 Korea Telecom | no ROA | 1 | 2026-09-18 |
| 203.251.60.0/24 v4 | AS55617 The Kwangju Bank Ltd. | no ROA | 45 | 2026-09-18 |
| 203.251.71.240/29 v4 | AS4766 Korea Telecom | no ROA | 1 | 2026-09-18 |
| 203.251.77.0/24 v4 | AS38124 iM DS Co.,Ltd. | no ROA | 45 | 2026-09-18 |
| 203.251.80.0/23 v4 | AS152232 kt cloud Co., Ltd | no ROA | 45 | 2026-09-18 |
| 203.251.108.0/28 v4 | AS4766 Korea Telecom | no ROA | 1 | 2026-09-18 |
| 203.251.112.0/24 v4 | AS4766 Korea Telecom | no ROA | 45 | 2026-09-18 |