These entries are queried from radb.net using whois, you can try my project getting these.
:AS50717 route: 91.229.202.0/23 descr: Fortis Datacenter origin: AS50717 mnt-by: FORT2-MNT created: 2011-07-29T07:53:43Z last-modified: 2011-07-29T07:53:43Z 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: 91.229.202.0/24 descr: Fortis Datacenter origin: AS50717 mnt-by: FORT2-MNT created: 2011-07-29T07:54:18Z last-modified: 2011-07-29T07:54:18Z 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: 91.229.203.0/24 descr: Fortis Datacenter origin: AS50717 mnt-by: FORT2-MNT created: 2011-07-29T07:54:42Z last-modified: 2011-07-29T07:54:42Z 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: 195.191.250.0/23 descr: Fortis Datacenter origin: AS50717 mnt-by: SEVEREN-MNT mnt-by: FORT2-MNT created: 2010-03-16T06:45:44Z last-modified: 2010-07-15T09:35:40Z 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: 195.191.250.0/24 descr: Fortis Datacenter origin: AS50717 mnt-by: SEVEREN-MNT mnt-by: FORT2-MNT created: 2010-07-19T17:15:13Z last-modified: 2010-07-19T17:15:13Z 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: 195.191.251.0/24 descr: Fortis Datacenter origin: AS50717 mnt-by: SEVEREN-MNT mnt-by: FORT2-MNT created: 2010-07-19T17:16:16Z last-modified: 2010-07-19T17:16:16Z 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