IP PREFIX
81.27.92.0/23
Originated by AS25577 · C4L-AS MAINFRAME & CYBERNETIC SYSTEMS LIMITED
AnnouncedGBRIPE
WEBSITE PREVIEWNo public website in RIPE or PeeringDBAS25577
RPKI & ROA validation
CURRENT STATE
unknown
No matching VRP was returned by RIPE Routinator.
| ROA prefix | Origin | Max length | Status |
|---|
Routing registry consistency
| 81.27.92.0/24 | AS25577 — C4L-AS MAINFRAME & CYBERNETIC SYSTEMS LIMITED | Seen in BGP | RIPE |
| 81.27.88.0/21 | AS25577 — C4L-AS MAINFRAME & CYBERNETIC SYSTEMS LIMITED | Seen in BGP | No IRR source |
| 81.27.92.0/23 | AS25577 — C4L-AS MAINFRAME & CYBERNETIC SYSTEMS LIMITED | Seen in BGP | No IRR source |
Recent RPKI history
| Date | Covered prefix | VRPs | Max length |
|---|---|---|---|
| 28/01/2026 | 81.27.92.0/23 | 1 | /24 |
| 27/01/2026 | 81.27.92.0/23 | 1 | /23 |
| 26/01/2026 | 81.27.92.0/23 | 1 | /23 |
| 25/01/2026 | 81.27.92.0/23 | 1 | /23 |
| 24/01/2026 | 81.27.92.0/23 | 1 | /23 |
| 23/01/2026 | 81.27.92.0/23 | 1 | /23 |
| 22/01/2026 | 81.27.92.0/23 | 1 | /23 |
| 21/01/2026 | 81.27.92.0/23 | 1 | /23 |
| 20/01/2026 | 81.27.92.0/23 | 1 | /23 |
| 19/01/2026 | 81.27.92.0/23 | 1 | /23 |
| 18/01/2026 | 81.27.92.0/23 | 1 | /23 |
| 17/01/2026 | 81.27.92.0/23 | 1 | /23 |