These entries are queried from radb.net using whois, you can try my project getting these.
:AS6720 route: 141.203.0.0/16 descr: MagWien org: ORG-MdSW1-RIPE notify: hostmaster [at] wien.gv.at origin: AS6720 mnt-by: MAGWIEN-MNT created: 1970-01-01T00:00:00Z last-modified: 2019-03-18T10:15:45Z 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 route: 217.149.224.0/20 descr: MagWien ISP org: ORG-MdSW1-RIPE notify: hostmaster [at] wien.gv.at origin: AS6720 mnt-by: MAGWIEN-MNT created: 1970-01-01T00:00:00Z last-modified: 2019-03-18T10:18:52Z 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: 2a00:1ba0:2::/48 org: ORG-MdSW1-RIPE origin: AS6720 mnt-by: MAGWIEN-MNT notify: hostmaster [at] wien.gv.at created: 2013-03-04T10:40:16Z last-modified: 2019-03-18T10:20:24Z 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: 2a00:1ba0:3::/48 org: ORG-MdSW1-RIPE origin: AS6720 mnt-by: MAGWIEN-MNT created: 2023-05-09T09:14:31Z last-modified: 2023-05-09T09:15:46Z 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