These entries are queried from radb.net using whois, you can try my project getting these.
:AS15577 route: 193.57.104.0/24 origin: AS15577 mnt-by: mnt-hu-postvex-1 created: 2021-03-22T16:26:40Z last-modified: 2021-03-22T16:26:40Z 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: 193.57.108.0/24 origin: AS15577 mnt-by: mnt-hu-postvex-1 created: 2021-03-22T17:07:51Z last-modified: 2021-03-22T17:07:51Z 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: 193.57.127.0/24 origin: AS15577 mnt-by: mnt-hu-postvex-1 created: 2021-03-22T17:08:10Z last-modified: 2021-03-22T17:08:10Z 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: 193.57.140.0/24 origin: AS15577 mnt-by: mnt-hu-postvex-1 created: 2021-03-22T17:08:22Z last-modified: 2021-03-22T17:08:22Z 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: 194.187.208.0/22 descr: CBRT origin: AS15577 mnt-by: CBRT-MNT created: 2019-12-09T08:59:57Z last-modified: 2019-12-09T08:59:57Z 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: valid route: 217.9.0.0/24 descr: RDR-UA origin: AS15577 mnt-by: RDR-MNT created: 2004-05-25T10:47:02Z last-modified: 2004-05-25T10:47:02Z 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: 217.9.1.0/24 descr: RDR-UA origin: AS15577 mnt-by: RDR-MNT created: 2008-05-31T07:51:02Z last-modified: 2008-05-31T07:51:02Z 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: 2001:470:23d::/48 origin: AS15577 descr: NET-2001-470-23d---48-AS15577 admin-c: ZH17-ARIN tech-c: ZH17-ARIN mnt-by: MNT-HURC source: ARIN created: 2024-01-27T02:45:12Z last-modified: 2024-01-27T02:45:12Z rpki-ov-state: valid route6: 2001:470:2a1::/48 origin: AS15577 descr: NET-2001-470-2a1---48-AS15577 admin-c: ZH17-ARIN tech-c: ZH17-ARIN mnt-by: MNT-HURC source: ARIN created: 2024-02-23T14:45:14Z last-modified: 2024-02-23T14:45:14Z rpki-ov-state: valid