These entries are queried from radb.net using whois, you can try my project getting these.
:AS37195 route: 102.134.152.0/24 descr: Vaal Networking Consultants origin: AS37195 mnt-by: VNCL1-MNT changed: *** [at] vaalnetworking.co.za 20190102 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 196.46.25.0/24 descr: NAPAfrica-JB1-v4 origin: AS37195 mnt-by: NAPAFRICA-MNT changed: *** [at] napafrica.net 20150623 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source