IP PREFIX
51.146.136.0/22
Originated by AS2856 · BT-UK-AS British Telecommunications Limited
AnnouncedGBRIPE
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RPKI & ROA validation
CURRENT STATE
valid
No matching VRP was returned by RIPE Routinator.
| ROA prefix | Origin | Max length | Status |
|---|---|---|---|
| 51.146.136.0/22 | AS2856 | /24 | valid |
| 51.146.136.0/22 | AS6079 | /24 | invalid_asn |
| 51.146.136.0/22 | AS399955 | /24 | invalid_asn |
Routing registry consistency
| 51.146.136.0/22 | AS399955 — BRCRUDE-NETWORK - B-Rock Crude | Not in BGP | radb, RIPE |
| 51.146.136.0/22 | AS6079 — RCN-AS - RCN | Not in BGP | radb, RIPE |
| 51.146.136.0/22 | AS2856 — BT-UK-AS British Telecommunications Limited | Seen in BGP | radb, RIPE |
Recent RPKI history
| Date | Covered prefix | VRPs | Max length |
|---|---|---|---|
| 18/10/2026 | 51.146.136.0/22 | 3 | /24 |
| 17/10/2026 | 51.146.136.0/22 | 3 | /24 |
| 16/10/2026 | 51.146.136.0/22 | 3 | /24 |
| 15/10/2026 | 51.146.136.0/22 | 3 | /24 |
| 14/10/2026 | 51.146.136.0/22 | 3 | /24 |
| 13/10/2026 | 51.146.136.0/22 | 3 | /24 |
| 12/10/2026 | 51.146.136.0/22 | 3 | /24 |
| 11/10/2026 | 51.146.136.0/22 | 3 | /24 |
| 10/10/2026 | 51.146.136.0/22 | 3 | /24 |
| 09/10/2026 | 51.146.136.0/22 | 3 | /24 |
| 08/10/2026 | 51.146.136.0/22 | 3 | /24 |
| 07/10/2026 | 51.146.136.0/22 | 3 | /24 |