These entries are queried from radb.net using whois, you can try my project getting these.
:AS51593 route: 195.19.88.0/23 descr: QUASAR origin: AS51593 mnt-by: ROSNIIROS-MNT created: 2010-10-06T08:32:38Z last-modified: 2023-04-07T08:38:16Z 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: 195.19.88.0/24 descr: QUASAR origin: AS51593 mnt-by: ROSNIIROS-MNT created: 2010-10-06T08:32:38Z last-modified: 2022-03-28T14:25:49Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 195.19.89.0/24 descr: QUASAR origin: AS51593 mnt-by: ROSNIIROS-MNT created: 2010-10-06T08:32:38Z last-modified: 2023-04-07T08:38:00Z 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