These entries are queried from radb.net using whois, you can try my project getting these.
:AS42640 route: 195.248.228.0/23 descr: SC Vendio SRL origin: AS42640 mnt-by: VENDIO-MNT created: 2007-04-04T10:32:25Z last-modified: 2007-04-04T10:32:29Z 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: 195.248.228.0/24 descr: sc Vendio SRL origin: AS42640 mnt-by: VENDIO-MNT created: 2007-08-08T11:19:27Z last-modified: 2007-08-08T11:19:27Z 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: 195.248.229.0/24 descr: sc Vendio SRL origin: AS42640 mnt-by: VENDIO-MNT created: 2007-08-08T11:19:53Z last-modified: 2007-08-08T11:19:53Z 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