These entries are queried from radb.net using whois, you can try my project getting these.
:AS48981 route: 91.142.133.0/24 origin: AS48981 mnt-by: ZMOR4-MNT created: 2019-11-10T16:05:26Z last-modified: 2019-11-10T16:05:26Z 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: 91.142.140.0/24 origin: AS48981 mnt-by: ZMOR4-MNT created: 2019-11-10T16:05:49Z last-modified: 2019-11-10T16:05:49Z 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: 91.193.74.0/24 origin: AS48981 mnt-by: ZMOR4-MNT created: 2019-11-10T16:06:07Z last-modified: 2019-11-10T16:06:07Z 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: 91.198.28.0/24 origin: AS48981 mnt-by: ZMOR4-MNT created: 2019-11-10T16:06:23Z last-modified: 2019-11-10T16:06:23Z 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: 2a0f:5c40::/29 origin: AS48981 mnt-by: ZMOR4-MNT created: 2019-11-10T16:07:45Z last-modified: 2019-11-10T16:07:45Z 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: 2a0f:5c40::/44 origin: AS48981 mnt-by: ZMOR4-MNT created: 2020-11-04T16:16:46Z last-modified: 2020-11-04T16:16:46Z 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