81.27.92.0/23 no ROA
Announced by AS25577 MAINFRAME & CYBERNETIC SYSTEMS LIMITED.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS25577 MAINFRAME & CYBERNETIC SYSTEMS LIMITED | no ROA | 43 | 34549325725577 | 2026-09-18 | 2026-10-08 |
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
No delegation record covers this prefix.
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 81.27.88.0/21 v4 | AS25577 MAINFRAME & CYBERNETIC SYSTEMS LIMITED | no ROA | 43 | 34549325725577 | 2026-09-18 |
More specific routes
1 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 81.27.92.0/24 v4 | AS25577 MAINFRAME & CYBERNETIC SYSTEMS LIMITED | no ROA | 42 | 2026-09-18 |