These entries are queried from radb.net using whois, you can try my project getting these.
:AS57393 route: 45.136.246.0/23 origin: AS57393 mnt-by: IP-RIPE created: 2020-02-05T15:33:23Z last-modified: 2020-02-05T15:33:23Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.136.246.0/24 origin: AS57393 mnt-by: IP-RIPE created: 2020-06-26T10:41:57Z last-modified: 2020-06-26T10:41:57Z 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 route: 45.136.247.0/24 origin: AS57393 mnt-by: IP-RIPE created: 2020-06-26T10:41:51Z last-modified: 2020-06-26T10:41:51Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 195.19.90.0/23 descr: VIVA origin: AS57393 mnt-by: ROSNIIROS-MNT created: 2021-09-17T06:06:57Z last-modified: 2021-09-17T06:07:13Z 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 route: 195.19.90.0/24 descr: VIVA origin: AS57393 mnt-by: ROSNIIROS-MNT created: 2021-09-17T06:09:39Z last-modified: 2021-09-17T06:09:39Z 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 route: 195.19.91.0/24 descr: VIVA origin: AS57393 mnt-by: ROSNIIROS-MNT created: 2021-09-17T06:10:35Z last-modified: 2021-09-17T06:10:35Z 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