203.252.16.0/21 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 | 45 | 503044766 | 2026-09-18 | 2026-10-13 |
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
- 203.252.16.0/21
- 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 |
|---|---|---|---|---|
| 203.252.16.0/24 v4 | AS4766 Korea Telecom | no ROA | 45 | 2026-09-18 |
| 203.252.17.0/24 v4 | AS4766 Korea Telecom | no ROA | 45 | 2026-09-18 |
| 203.252.18.0/24 v4 | AS4766 Korea Telecom | no ROA | 45 | 2026-09-18 |
| 203.252.19.0/24 v4 | AS4766 Korea Telecom | no ROA | 45 | 2026-09-18 |
| 203.252.20.0/24 v4 | AS4766 Korea Telecom | no ROA | 45 | 2026-09-18 |
| 203.252.21.0/24 v4 | AS4766 Korea Telecom | no ROA | 45 | 2026-09-18 |
| 203.252.22.0/24 v4 | AS4766 Korea Telecom | no ROA | 45 | 2026-09-18 |
| 203.252.23.0/24 v4 | AS4766 Korea Telecom | no ROA | 45 | 2026-09-18 |