These entries are queried from radb.net using whois, you can try my project getting these.
:AS36982 route: 137.158.0.0/16 descr: University of Cape Town origin: AS36982 mnt-by: MAINT-AS36982 changed: simeon.miteff [at] uct.ac.za 20080409 source: ALTDB rpki-ov-state: valid route: 196.42.64.0/18 descr: UCT Block Maintained by TENET origin: AS36982 mnt-by: TNET-MNT01 created: 2013-11-13T12:57:00Z last-modified: 2018-09-04T17:46:49Z source: RIPE-NONAUTH 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: 196.42.64.0/18 descr: UCT Block Maintained by TENET origin: AS36982 mnt-by: MAINT-AS2018 changed: shuwie [at] tenet.ac.za 20131113 source: ALTDB rpki-ov-state: valid route: 196.47.192.0/18 descr: UCT block Maintained by TENET origin: AS36982 mnt-by: TNET-MNT01 created: 2015-03-10T14:48:56Z last-modified: 2018-09-04T18:05:54Z source: RIPE-NONAUTH 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: 197.239.128.0/18 descr: University of Cape Town origin: AS36982 remarks: This object was registered on behalf of the owner. remarks: Please contact the origin for any issues with this prefix. mnt-by: MAINT-AS20080 changed: peering [at] ampath.net 20220725 source: RADB last-modified: 2023-11-13T16:11:48Z rpki-ov-state: valid route6: 2001:4200:300::/44 descr: MAINTAINED BY TENET origin: AS36982 mnt-by: TNET-MNT01 notify: *** [at] tenet.ac.za changed: *** [at] tenet.ac.za 20220722 source: AFRINIC rpki-ov-state: valid route6: 2001:4200:300::/44 descr: MAINTAINED BY TENET origin: AS36982 mnt-by: MAINT-AS2018 notify: engineering [at] tenet.ac.za source: ALTDB changed: patrickh [at] tenet.ac.za 20220722 rpki-ov-state: valid route6: 2001:43f8:70::/45 descr: University of Cape Town origin: AS36982 mnt-by: MAINT-AS36982 changed: simeon.miteff [at] uct.ac.za 20080730 source: ALTDB rpki-ov-state: valid