These entries are queried from radb.net using whois, you can try my project getting these.
:AS327992 route: 169.239.248.0/22 descr: GARNET IP Block origin: AS327992 mnt-by: GARNET-MNT org: ORG-GAAR1-AFRINIC changed: *** [at] garnet.edu.gh20160325 20160325 source: AFRINIC rpki-ov-state: valid route: 169.239.248.0/22 origin: AS327992 descr: WACREN mnt-by: MAINT-AS37613 changed: daniel [at] dolphintelecom.net 20230301 #14:45:41Z source: RADB last-modified: 2023-11-13T16:15:21Z rpki-ov-state: valid route6: 2c0f:eea0::/32 descr: GARNET IPv6 Block origin: AS327992 mnt-by: GARNET-MNT changed: *** [at] garnet.edu.gh 20190311 source: AFRINIC rpki-ov-state: valid