These entries are queried from radb.net using whois, you can try my project getting these.
:AS49151 route: 45.141.1.0/24 origin: AS49151 mnt-by: pl-zfix-1-mnt created: 2020-06-26T09:53:15Z last-modified: 2020-06-26T09:53:15Z 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 route: 185.53.147.0/24 origin: AS49151 mnt-by: pl-wave-1-mnt created: 2021-03-17T11:37:55Z last-modified: 2021-03-17T11:37:55Z 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:f781:10:63e6::/64 origin: AS49151 descr: EPIX-LORA-VOLTRON mnt-by: EPOLUDNIE-MNT mnt-by: EPOLUDNIE-MP-MNT mnt-lower: EPOLUDNIE-MNT mnt-lower: EPOLUDNIE-MP-MNT created: 2022-05-16T07:11:01Z last-modified: 2022-05-16T07:11:01Z 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: not_found # No ROAs found, or RPKI validation not enabled for source