These entries are queried from radb.net using whois, you can try my project getting these.
:AS328399 route: 102.22.120.0/22 descr: Vaal Networking Consultants (PTY) LTD BLOCK_2 origin: AS328399 mnt-by: VNCL1-MNT changed: *** [at] vaalnetworking.co.za 20220405 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.22.120.0/23 descr: Vaal Networking Consultants (PTY) LTD SUB 3-1 origin: AS328399 mnt-by: VNCL1-MNT changed: *** [at] vaalnetworking.co.za 20220530 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.22.122.0/23 descr: Vaal Networking Consultants (PTY) LTD SUB 3-2 origin: AS328399 mnt-by: VNCL1-MNT changed: *** [at] vaalnetworking.co.za 20220530 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.134.152.0/21 descr: Vaal Networking Consultants (PTY) LTD origin: AS328399 mnt-by: VNCL1-MNT changed: *** [at] vaalnetworking.co.za 20200623 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.134.152.0/22 descr: Vaal Networking Consultants (PTY) LTD SUB 1 origin: AS328399 mnt-by: VNCL1-MNT changed: *** [at] vaalnetworking.co.za 20200623 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.134.152.0/23 descr: Vaal Networking Consultants (PTY) LTD SUB 1-1 origin: AS328399 mnt-by: VNCL1-MNT changed: *** [at] vaalnetworking.co.za 20200624 changed: *** [at] vaalnetworking.co.za 20220530 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.134.152.0/24 descr: Vaal Networking Consultants origin: AS328399 mnt-by: VNCL1-MNT changed: *** [at] vaalnetworking.co.za 20200624 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.134.154.0/23 descr: Vaal Networking Consultants (PTY) LTD SUB 1-2 origin: AS328399 mnt-by: VNCL1-MNT changed: *** [at] vaalnetworking.co.za 20220530 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.134.156.0/22 descr: Vaal Networking Consultants (PTY) LTD SUB 2 origin: AS328399 mnt-by: VNCL1-MNT changed: *** [at] vaalnetworking.co.za 20200623 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.134.156.0/23 descr: Vaal Networking Consultants (PTY) LTD SUB 2-1 origin: AS328399 mnt-by: VNCL1-MNT changed: *** [at] vaalnetworking.co.za 20220530 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.134.158.0/23 descr: Vaal Networking Consultants (PTY) LTD SUB 2-2 origin: AS328399 mnt-by: VNCL1-MNT changed: *** [at] vaalnetworking.co.za 20220530 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source