These entries are queried from radb.net using whois, you can try my project getting these.
:AS204468 route: 185.248.52.0/22 origin: AS204468 mnt-by: se-cgitab-1-mnt created: 2018-05-30T08:46:25Z last-modified: 2018-05-30T08:46:25Z 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: 2a0d:db80::/29 origin: AS204468 mnt-by: se-cgitab-1-mnt created: 2018-05-30T08:46:53Z last-modified: 2018-05-30T08:46:53Z 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