These entries are queried from radb.net using whois, you can try my project getting these.
:AS207528 route: 193.228.140.0/24 origin: AS207528 mnt-by: mnt-at-fasvermietung-1 created: 2020-03-11T11:45:12Z last-modified: 2020-03-11T11:45:12Z 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: 193.228.142.0/24 origin: AS207528 mnt-by: mnt-at-fasvermietung-1 created: 2020-03-11T11:45:35Z last-modified: 2020-03-11T11:45:35Z 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 route: 193.228.145.0/24 origin: AS207528 mnt-by: mnt-at-fasvermietung-1 created: 2020-03-11T11:46:04Z last-modified: 2020-03-11T11:46:04Z 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: 193.228.148.0/24 origin: AS207528 mnt-by: mnt-at-fasvermietung-1 created: 2020-03-11T11:46:22Z last-modified: 2020-03-11T11:46:22Z 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