These entries are queried from radb.net using whois, you can try my project getting these.
:AS51914 route: 91.221.128.0/23 descr: GBI via EMIX origin: AS51914 notify: noc [at] emix.net.ae mnt-by: MAINT-AS8966 changed: noc [at] emix.net.ae 20161104 source: RADB last-modified: 2023-11-13T15:49:55Z rpki-ov-state: valid route: 91.221.128.0/23 descr: Kuwait Investment Authority origin: AS51914 mnt-by: KIA-MNT created: 2010-12-14T06:13:36Z last-modified: 2010-12-14T06:13:36Z 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: 91.221.128.0/24 descr: GBI via EMIX origin: AS51914 notify: noc [at] emix.net.ae mnt-by: MAINT-AS8966 changed: noc [at] emix.net.ae 20161104 source: RADB last-modified: 2023-11-13T15:49:55Z rpki-ov-state: valid route: 91.221.128.0/24 mnt-routes: KIA-MNT descr: Kuwait Investment Authority origin: AS51914 mnt-by: KIA-MNT created: 2015-06-17T06:52:25Z last-modified: 2015-06-17T06:52:25Z 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 route: 91.221.129.0/24 descr: GBI via EMIX origin: AS51914 notify: noc [at] emix.net.ae mnt-by: MAINT-AS8966 changed: noc [at] emix.net.ae 20161104 source: RADB last-modified: 2023-11-13T15:49:55Z rpki-ov-state: valid route: 91.221.129.0/24 mnt-routes: KIA-MNT descr: Kuwait Investment Authority origin: AS51914 mnt-by: KIA-MNT created: 2015-06-17T06:56:54Z last-modified: 2015-06-17T06:56:54Z 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