These entries are queried from radb.net using whois, you can try my project getting these.
:AS327726 route: 154.72.4.0/22 origin: AS327726 descr: NT-ZA-1-v4 mnt-by: NEWTELCOZA-MNT changed: *** [at] reflex.co.za 20211109 source: AFRINIC rpki-ov-state: valid route: 154.72.4.0/22 descr: Network origin: AS327726 mnt-by: JJ10-AFRINIC created: 2014-02-13T12:19:42Z last-modified: 2018-09-04T17:51:24Z source: RIPE-NONAUTH org: ORG-NSAP1-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: 154.72.4.0/22 descr: Newtelco South Africa Pty Ltd origin: AS327726 notify: noc.peering [at] reflex.co.za mnt-by: MAINT-AS37236 changed: cobusv [at] reflex.co.za 20180615 #12:27:43Z source: RADB last-modified: 2023-11-13T15:53:48Z rpki-ov-state: valid route: 154.72.6.0/24 origin: AS327726 descr: New Telco SA notify: noc.peering [at] reflex.co.za mnt-by: MAINT-AS37236 changed: cobusv [at] reflex.co.za 20200616 #17:16:35Z source: RADB last-modified: 2023-11-13T16:00:59Z rpki-ov-state: valid route6: 2c0f:f700::/32 origin: AS327726 descr: NT-ZA-1-v6 mnt-by: NEWTELCOZA-MNT changed: *** [at] reflex.co.za 20211109 source: AFRINIC rpki-ov-state: valid route6: 2c0f:f700::/32 origin: AS327726 descr: Newtelco South Africa Pty Ltd. notify: noc.peering [at] reflex.co.za mnt-by: MAINT-AS37236 changed: cobusv [at] reflex.co.za 20210708 #14:15:11Z source: RADB last-modified: 2023-11-13T16:07:51Z rpki-ov-state: valid