These entries are queried from radb.net using whois, you can try my project getting these.
:AS51101 route: 88.135.186.0/24 origin: AS51101 mnt-by: ITCARE-MNT mnt-by: MNT-REWOLUCJANET mnt-by: pl-rewolucja-net-1-mnt created: 2023-08-03T20:58:23Z last-modified: 2023-08-03T20:58:23Z 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: 91.237.72.0/23 descr: JKP VIDEONET Dziub Jaroslaw origin: AS51101 mnt-by: RYBNET-MNT created: 2012-03-21T10:03:49Z last-modified: 2012-03-21T10:03:49Z 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: 178.217.112.0/21 descr: Rewolucja-Net origin: AS51101 mnt-by: MNT-GOODHOST created: 2013-06-10T08:21:05Z last-modified: 2013-06-10T08:21:05Z 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: 185.230.224.0/22 origin: AS51101 mnt-by: ITCARE-MNT mnt-by: pl-rewolucja-net-1-mnt mnt-by: MNT-REWOLUCJANET created: 2017-11-08T17:20:14Z last-modified: 2017-11-08T17:20:14Z 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: 195.43.66.0/23 descr: Rewolucja-net origin: AS51101 mnt-by: MNT-GOODHOST created: 2013-06-10T08:21:05Z last-modified: 2013-06-10T08:21:05Z 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: 2a00:4120:8000:c::/64 origin: AS51101 created: 2023-10-10T17:02:27Z last-modified: 2023-10-10T17:02:27Z source: RIPE mnt-by: MNT-EXATEL 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: 2a0c:3100::/29 origin: AS51101 mnt-by: pl-rewolucja-net-1-mnt created: 2023-10-12T08:40:55Z last-modified: 2023-10-12T08:40:55Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2a10:f781:10:f422::/64 origin: AS51101 descr: EPIX-LORA-REWOLUC mnt-by: EPOLUDNIE-MNT mnt-by: EPOLUDNIE-MP-MNT mnt-lower: EPOLUDNIE-MNT mnt-lower: EPOLUDNIE-MP-MNT created: 2022-05-16T07:08:24Z last-modified: 2022-05-16T07:08:24Z 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: not_found # No ROAs found, or RPKI validation not enabled for source