These entries are queried from radb.net using whois, you can try my project getting these.
:AS328942 route: 102.218.40.0/22 origin: AS328942 descr: Imvula Tech Aggregate IPv4 mnt-by: IIL3-MNT changed: *** [at] networkstack.co.za 20210930 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.218.40.0/23 origin: AS328942 descr: Aggregate from Durban mnt-by: IIL3-MNT changed: *** [at] networkstack.co.za 20220602 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.218.40.0/24 origin: AS328942 descr: Net01 mnt-by: IIL3-MNT changed: *** [at] networkstack.co.za 20220606 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.218.41.0/24 origin: AS328942 descr: Net02 mnt-by: IIL3-MNT changed: *** [at] networkstack.co.za 20220606 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.218.42.0/23 origin: AS328942 descr: Joburg Aggregate mnt-by: IIL3-MNT changed: *** [at] networkstack.co.za 20220602 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2c0f:7d00::/32 origin: AS328942 descr: Imvula Tech Aggregate IPv6 mnt-by: IIL3-MNT changed: *** [at] networkstack.co.za 20210930 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source