These entries are queried from radb.net using whois, you can try my project getting these.
:AS51309 route: 46.28.16.0/24 origin: AS51309 descr: GBI via EMIX mnt-by: MAINT-AS8966 changed: noc [at] emix.net.ae 20210203 #16:09:40Z source: RADB last-modified: 2023-11-13T16:03:31Z rpki-ov-state: valid route: 46.28.16.0/24 origin: AS51309 mnt-by: INTERFAX-MNT created: 2012-08-07T14:43:22Z last-modified: 2019-02-06T09:02:04Z 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: 46.28.17.0/24 origin: AS51309 mnt-by: INTERFAX-MNT created: 2012-08-16T05:50:21Z last-modified: 2019-02-06T09:02:20Z 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: 46.28.18.0/24 origin: AS51309 mnt-by: INTERFAX-MNT created: 2012-11-07T06:52:46Z last-modified: 2019-02-06T09:02:27Z 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: 46.28.19.0/24 origin: AS51309 mnt-by: INTERFAX-MNT created: 2012-12-27T06:34:19Z last-modified: 2019-02-06T09:03:08Z 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: 46.28.20.0/24 origin: AS51309 mnt-by: INTERFAX-MNT created: 2017-06-28T16:35:38Z last-modified: 2019-02-06T09:05:34Z 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: 46.28.21.0/24 origin: AS51309 mnt-by: INTERFAX-MNT created: 2019-01-29T16:38:00Z last-modified: 2019-02-06T09:03:18Z 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: 46.28.22.0/24 origin: AS51309 mnt-by: INTERFAX-MNT created: 2019-09-26T17:28:45Z last-modified: 2019-09-26T17:28:45Z 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: 46.28.23.0/24 origin: AS51309 mnt-by: INTERFAX-MNT created: 2019-07-26T13:33:01Z last-modified: 2019-07-26T13:33:01Z 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