These entries are queried from radb.net using whois, you can try my project getting these.
:AS58277 route: 185.247.220.0/22 origin: AS58277 mnt-by: MAINT-SA-RIGNET created: 2018-04-24T12:03:00Z last-modified: 2018-04-24T12:03:00Z 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: 185.247.220.0/24 origin: AS58277 mnt-by: MAINT-SA-RIGNET created: 2018-11-30T09:48:04Z last-modified: 2018-11-30T09:48:04Z 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: 185.247.221.0/24 origin: AS58277 mnt-by: MAINT-SA-RIGNET created: 2018-11-30T09:50:30Z last-modified: 2018-11-30T09:50:30Z 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: 185.247.222.0/24 origin: AS58277 mnt-by: MAINT-SA-RIGNET created: 2018-11-30T09:50:56Z last-modified: 2018-11-30T09:54:20Z 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: 185.247.223.0/24 origin: AS58277 mnt-by: MAINT-SA-RIGNET created: 2018-11-30T09:51:24Z last-modified: 2018-11-30T09:53:35Z 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