These entries are queried from radb.net using whois, you can try my project getting these.
:AS50067 route: 194.149.91.0/24 origin: AS50067 mnt-by: mnt-cz-praha12com-1 mnt-by: mnt-cz-cesal-1 created: 2020-05-05T20:06:27Z last-modified: 2020-05-05T20:06:27Z 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: 194.149.93.0/24 origin: AS50067 mnt-by: mnt-cz-praha12com-1 mnt-by: mnt-cz-cesal-1 created: 2020-05-05T20:06:47Z last-modified: 2020-05-05T20:06:47Z 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: 194.153.80.0/24 origin: AS50067 mnt-by: mnt-cz-praha12com-1 mnt-by: mnt-cz-cesal-1 created: 2020-05-05T20:07:05Z last-modified: 2020-05-05T20:07:05Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 194.153.95.0/24 origin: AS50067 mnt-by: mnt-cz-praha12com-1 mnt-by: mnt-cz-cesal-1 created: 2020-05-05T20:07:22Z last-modified: 2020-05-05T20:07:22Z 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 route6: 2a0f:b140::/29 origin: AS50067 mnt-by: mnt-cz-praha12com-1 mnt-by: mnt-cz-cesal-1 created: 2020-05-05T20:07:44Z last-modified: 2020-05-05T20:07:44Z 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