These entries are queried from radb.net using whois, you can try my project getting these.
:AS212263 route: 154.51.145.0/24 origin: AS212263 descr: Route Registered for Cogent Communications Customer - Rocket Fibre Limited geoidx: GB mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20230428 #12:18:06Z source: RADB last-modified: 2023-11-13T16:17:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 154.62.188.0/22 origin: AS212263 descr: Route Registered for Cogent Communications Customer - Rocket Fibre Limited geoidx: GB mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20230612 #13:21:28Z source: RADB last-modified: 2023-11-13T16:17:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 185.222.21.0/24 origin: AS212263 descr: Rocket Fibre mnt-by: mnt-uk-krypton-it-1 created: 2020-11-29T19:35:19Z last-modified: 2021-03-06T09:55:51Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route6: 2a10:f300::/29 descr: Rocket Fibre origin: AS212263 mnt-by: mnt-uk-krypton-it-1 created: 2020-11-29T19:36:03Z last-modified: 2021-02-08T17:19:24Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid