These entries are queried from radb.net using whois, you can try my project getting these.
:AS21739 route: 196.202.248.0/22 descr: TSOL-SN-1 origin: AS21739 mnt-by: TSOL-MNT changed: *** [at] twick.co.za 20191017 source: AFRINIC rpki-ov-state: valid route: 196.202.248.0/23 descr: Proxy-registered route object origin: AS21739 remarks: This route object was created because no existing remarks: route object with the same origin was found, and remarks: this route may be rejected if this object is not created. remarks: remarks: Please contact ipnetpeering [at] telkom.co.za if you have any remarks: questions regarding this object. mnt-by: MAINT-SAIX changed: pieter [at] saix.net 20130821 source: NTTCOM rpki-ov-state: valid route: 196.202.248.0/23 origin: AS21739 descr: Block 248-23 mnt-by: TSOL-MNT changed: *** [at] tsol.co.za 20210423 source: AFRINIC rpki-ov-state: valid route: 196.202.248.0/24 origin: AS21739 descr: Block 248/24 mnt-by: TSOL-MNT changed: *** [at] tsol.co.za 20210423 source: AFRINIC rpki-ov-state: valid route: 196.202.250.0/23 descr: TSOL-SN-2 origin: AS21739 mnt-by: TSOL-MNT changed: *** [at] twick.co.za 20191017 source: AFRINIC rpki-ov-state: valid route: 196.202.250.0/24 descr: TSOL-SN-4 origin: AS21739 mnt-by: TSOL-MNT changed: *** [at] twick.co.za 20191017 source: AFRINIC rpki-ov-state: valid route: 196.202.250.0/24 origin: AS21739 mnt-by: AS37179-MNT created: 2016-06-02T09:59:33Z last-modified: 2018-09-04T18:28:05Z 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: 196.202.251.0/24 descr: TSOL-SN-3 origin: AS21739 mnt-by: TSOL-MNT changed: *** [at] twick.co.za 20191017 source: AFRINIC rpki-ov-state: valid route: 196.202.251.0/24 origin: AS21739 mnt-by: AS37179-MNT created: 2016-06-02T09:59:58Z last-modified: 2018-09-04T18:28:05Z 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 route6: 2c0f:980::/32 descr: MAJUBA-IPV6-1 origin: AS21739 mnt-by: TSOL-MNT changed: *** [at] twick.co.za 20221222 source: AFRINIC rpki-ov-state: valid