These entries are queried from radb.net using whois, you can try my project getting these.
:AS211921 route: 176.103.212.0/24 origin: AS211921 mnt-by: DN-ONLINE-MNT created: 2021-03-16T12:32:40Z last-modified: 2021-03-16T12:32:40Z 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: 176.103.213.0/24 origin: AS211921 mnt-by: DN-ONLINE-MNT created: 2021-03-16T12:33:09Z last-modified: 2021-03-16T12:33:09Z 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: 176.103.214.0/24 origin: AS211921 mnt-by: DN-ONLINE-MNT created: 2021-03-16T12:33:38Z last-modified: 2021-03-16T12:33:38Z 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: 176.103.215.0/24 origin: AS211921 mnt-by: DN-ONLINE-MNT created: 2021-07-15T10:33:05Z last-modified: 2021-07-15T10:33:05Z 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