These entries are queried from radb.net using whois, you can try my project getting these.
:AS50520 route: 185.134.112.0/22 origin: AS50520 descr: Hostmein Cloud Network mnt-by: gr-hostmein-1-mnt created: 2018-05-07T08:29:46Z last-modified: 2018-05-07T08:29:46Z 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: 185.134.112.0/24 descr: Hostmein Cloud Network grix1 origin: AS50520 mnt-by: gr-hostmein-1-mnt created: 2016-01-18T14:09:22Z last-modified: 2016-01-18T14:09:22Z 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: 185.134.113.0/24 descr: Hostmein Cloud Network grix1 origin: AS50520 mnt-by: gr-hostmein-1-mnt created: 2016-03-15T00:52:04Z last-modified: 2016-03-15T00:52:04Z 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: 185.134.114.0/24 descr: Hostmein colocation network grix1 origin: AS50520 mnt-by: gr-hostmein-1-mnt created: 2016-06-25T20:01:29Z last-modified: 2016-06-25T20:01:29Z 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: valid route: 185.134.115.0/24 descr: Hostmein Customers Internet Feed grix1 origin: AS50520 mnt-by: gr-hostmein-1-mnt created: 2016-06-25T20:02:03Z last-modified: 2016-06-25T20:02:03Z 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: valid route6: 2a02:fa80::/32 origin: AS50520 mnt-by: gr-hostmein-1-mnt created: 2018-06-13T12:44:30Z last-modified: 2018-06-13T12:44:30Z 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 route6: 2a02:fa80:1::/48 origin: AS50520 mnt-by: gr-hostmein-1-mnt created: 2018-06-13T12:45:00Z last-modified: 2018-06-13T12:45:00Z 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 route6: 2a02:fa80:ca02::/48 origin: AS50520 mnt-by: gr-hostmein-1-mnt created: 2018-09-13T20:27:43Z last-modified: 2018-09-13T20:27:43Z 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: valid route6: 2a02:fa80:fa80::/48 origin: AS50520 mnt-by: gr-hostmein-1-mnt created: 2018-06-13T12:50:46Z last-modified: 2018-06-13T12:50:46Z 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