These entries are queried from radb.net using whois, you can try my project getting these.
:AS328996 route: 102.219.75.0/24 descr: Botswana Postal Services Limited origin: AS328996 mnt-by: BPSL1-MNT changed: *** [at] botswanapost.co.bw 20221006 source: AFRINIC rpki-ov-state: valid