These entries are queried from radb.net using whois, you can try my project getting these.
:AS39188 route: 87.255.192.0/23 origin: AS39188 mnt-by: ICONLTD-MNT created: 2018-04-18T10:08:59Z last-modified: 2018-04-18T10:08:59Z 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: 87.255.192.0/24 descr: ICON AS own prefix origin: AS39188 mnt-by: ICONLTD-MNT created: 2010-06-18T11:33:48Z last-modified: 2010-06-18T11:33:48Z 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