These entries are queried from radb.net using whois, you can try my project getting these.
:AS209328 route: 5.252.212.0/24 origin: AS209328 mnt-by: pl-zfix-1-mnt created: 2019-03-05T10:03:13Z last-modified: 2019-03-05T10:03:13Z 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: 176.97.50.0/24 origin: AS209328 mnt-by: lir-pl-fs4u-1-MNT created: 2024-03-05T12:26:05Z last-modified: 2024-03-05T12:26:05Z 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: 2a10:f781:10:1caa::/64 origin: AS209328 descr: EPIX-LORA-ALTKOMDUBI mnt-by: EPOLUDNIE-MNT mnt-by: EPOLUDNIE-MP-MNT mnt-lower: EPOLUDNIE-MNT mnt-lower: EPOLUDNIE-MP-MNT created: 2022-04-19T12:22:31Z last-modified: 2022-04-19T12:22:31Z 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