These entries are queried from radb.net using whois, you can try my project getting these.
:AS48208 route: 46.238.233.0/24 descr: Commercial Users descr: Metropolitan Area Network in Bydgoszcz descr: Bydgoszcz,Poland origin: AS48208 notify: lirmnt [at] pbs.edu.pl mnt-by: PL-BYDMAN-MNT created: 2023-06-05T20:21:16Z last-modified: 2023-06-05T20:21:16Z 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: valid route: 91.207.156.0/23 origin: AS48208 mnt-by: NAC-MNT created: 2019-01-14T19:13:43Z last-modified: 2019-01-14T19:15:37Z 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: 91.207.156.0/24 origin: AS48208 mnt-by: NAC-MNT created: 2022-07-22T08:51:26Z last-modified: 2022-07-22T08:51:26Z 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: 91.207.157.0/24 origin: AS48208 mnt-by: NAC-MNT created: 2022-07-22T08:52:42Z last-modified: 2022-07-22T08:52:42Z 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 route6: 2001:678:530::/48 origin: AS48208 descr: National Digital Archives mnt-by: NAC-MNT created: 2017-09-28T09:11:49Z last-modified: 2019-10-18T13:28:23Z source: RIPE notify: marcin.cwiek [at] nac.gov.pl 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