These entries are queried from radb.net using whois, you can try my project getting these.
:AS20971 route: 193.16.233.0/24 descr: InfoTech origin: AS20971 mnt-by: INFOTECH-MNT created: 2004-06-15T14:59:11Z last-modified: 2004-06-15T14:59:11Z 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: 193.108.209.0/24 descr: InfoTech origin: AS20971 mnt-by: INFOTECH-MNT created: 1970-01-01T00:00:00Z last-modified: 2001-09-22T09:31:40Z 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: 193.138.236.0/22 descr: Infotech PI origin: AS20971 mnt-by: INFOTECH-MNT created: 2004-12-16T13:05:52Z last-modified: 2004-12-16T13:05:52Z 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: 193.138.239.0/24 origin: AS20971 mnt-by: INFOTECH-MNT created: 2016-09-21T08:03:53Z last-modified: 2016-09-21T08:03:53Z 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