These entries are queried from radb.net using whois, you can try my project getting these.
:AS52163 route: 91.230.10.0/23 descr: Optima Communications, LLC origin: AS52163 notify: noc [at] macomnet.net notify: opticoms [at] yandex.ru notify: sup [at] optimacoms.ru mnt-by: MACOMNET-MNT created: 2018-05-23T14:25:43Z last-modified: 2018-05-23T14:25:43Z 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: 176.120.68.0/22 origin: AS52163 mnt-by: lir-ru-optima-1-MNT created: 2023-11-01T07:31:42Z last-modified: 2023-11-01T07:31:42Z 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: 194.36.16.0/24 descr: Optima Communications, LLC origin: AS52163 notify: noc [at] macomnet.net notify: opticoms [at] yandex.ru notify: sup [at] optimacoms.ru mnt-by: MACOMNET-MNT created: 2019-09-17T10:21:40Z last-modified: 2019-09-17T10:21:40Z 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: 195.20.128.0/24 origin: AS52163 mnt-by: LIDERTELECOM-mnt created: 2018-01-17T14:45:03Z last-modified: 2018-01-17T14:45:03Z 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: 195.211.36.0/22 origin: AS52163 notify: noc [at] macomnet.net notify: opticoms [at] yandex.ru notify: sup [at] optimacoms.ru mnt-by: MACOMNET-MNT created: 2018-04-18T12:13:51Z last-modified: 2018-04-18T12:13:51Z 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 route6: 2a13:6e00::/48 origin: AS52163 mnt-by: lir-ru-optima-1-MNT created: 2022-06-24T14:33:15Z last-modified: 2022-06-24T14:33:15Z 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: not_found # No ROAs found, or RPKI validation not enabled for source