These entries are queried from radb.net using whois, you can try my project getting these.
:AS199558 route: 85.254.144.0/24 descr: Medpa origin: AS199558 mnt-by: LATNET-MNT created: 2013-06-26T06:34:39Z last-modified: 2013-06-26T06:34:39Z 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: 159.148.27.0/24 descr: Medpa origin: AS199558 mnt-by: LATNET-MNT created: 2012-11-27T22:20:05Z last-modified: 2012-11-27T22:20:05Z 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: valid route: 159.148.89.0/24 descr: Media Partner origin: AS199558 mnt-by: latnet-mnt created: 2015-06-05T09:01:49Z last-modified: 2015-06-05T09:01:49Z 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: 159.148.233.0/24 origin: AS199558 mnt-by: LATNET-MNT created: 2018-11-16T11:48:12Z last-modified: 2018-11-16T11:48:12Z 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