These entries are queried from radb.net using whois, you can try my project getting these.
:AS39884 route: 46.31.224.0/21 descr: Voipfone origin: AS39884 mnt-by: INETT-MNT created: 2010-10-04T23:49:34Z last-modified: 2010-10-04T23:49:34Z 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: 46.31.226.0/23 descr: Voipfone origin: AS39884 mnt-by: INETT-MNT created: 2021-10-01T14:40:40Z last-modified: 2021-10-01T14:40:40Z 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: 46.31.228.0/24 descr: Voipfone origin: AS39884 mnt-by: INETT-MNT mnt-by: INETT-MNT created: 2021-10-01T14:41:04Z last-modified: 2021-10-01T14:41:42Z 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: 185.75.92.0/22 descr: Voipfone origin: AS39884 mnt-by: INETT-MNT created: 2014-10-30T14:00:24Z last-modified: 2014-10-30T14:00:24Z 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 route: 195.189.172.0/23 descr: iNet Telecoms Ltd (Voipfone) origin: AS39884 mnt-by: INETT-MNT notify: noc [at] voipfone.net created: 2006-05-16T15:43:39Z last-modified: 2012-10-16T16:39:25Z 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