These entries are queried from radb.net using whois, you can try my project getting these.
:AS51843 route: 91.120.250.0/24 descr: Tata Consultancy Services Limited Magyarorszagi Fioktelepe descr: Hungary origin: AS51843 mnt-by: AS3340-MNT created: 2011-02-03T13:23:39Z last-modified: 2011-02-03T13:23:39Z 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: valid route: 91.120.251.0/24 descr: Tata Consultancy Services Limited Magyarorszagi Fioktelepe descr: Hungary origin: AS51843 mnt-by: AS3340-MNT created: 2011-02-03T13:23:55Z last-modified: 2011-02-03T13:23:55Z 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: valid