These entries are queried from radb.net using whois, you can try my project getting these.
:AS28912 route: 193.201.152.0/25 descr: OLMANET origin: AS28912 mnt-by: OLMA-MNT mnt-routes: OLMA-MNT mnt-routes: ROSPRINT-NCC created: 2003-04-04T14:07:32Z last-modified: 2004-03-31T06:21:10Z 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: 195.39.206.0/23 descr: OLMANET origin: AS28912 mnt-by: OLMA-MNT mnt-routes: OLMA-MNT mnt-routes: ROSPRINT-NCC mnt-routes: RINET-MNT created: 2003-04-04T14:20:03Z last-modified: 2003-04-04T14:20:03Z 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: 195.47.192.0/24 descr: OLMANET origin: AS28912 mnt-by: OLMA-MNT mnt-routes: OLMA-MNT mnt-routes: ROSPRINT-NCC mnt-routes: RINET-MNT created: 2003-04-04T14:20:05Z last-modified: 2003-04-04T14:20:05Z 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