These entries are queried from radb.net using whois, you can try my project getting these.
:AS57209 route: 91.210.92.0/22 descr: route object origin: AS57209 mnt-by: FKOM-MNT created: 2011-08-29T11:18:05Z last-modified: 2011-08-29T11:18:05Z 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: 171.25.212.0/22 origin: AS57209 mnt-by: FKOM-MNT created: 2021-11-17T16:07:33Z last-modified: 2021-11-17T16:07:33Z 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: 171.25.212.0/24 origin: AS57209 mnt-by: FKOM-MNT created: 2021-11-24T22:22:44Z last-modified: 2021-11-24T22:22:44Z 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