These entries are queried from radb.net using whois, you can try my project getting these.
:AS328580 route: 102.23.96.0/24 descr: NG-OPERA-LGS origin: AS328580 mnt-by: ODSL1-MNT changed: *** [at] opera.com 20201126 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.23.97.0/24 descr: NG-OPERA-LGS origin: AS328580 mnt-by: ODSL1-MNT changed: *** [at] opera.com 20191126 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.23.98.0/24 descr: NG-OPERA-MBA origin: AS328580 mnt-by: ODSL1-MNT changed: *** [at] opera.com 20191211 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.23.99.0/24 descr: NG-OPERA-JNB origin: AS328580 mnt-by: ODSL1-MNT changed: *** [at] opera.com 20191211 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2c0f:eb50:1::/48 origin: AS328580 descr: NG-OPERA-LGS mnt-by: ODSL1-MNT changed: *** [at] opera.com 20200916 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2c0f:eb50:2::/48 descr: NG-OPERA-MBA origin: AS328580 mnt-by: ODSL1-MNT changed: *** [at] opera.com 20191211 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2c0f:eb50:3::/48 descr: NG-OPERA-JNB origin: AS328580 mnt-by: ODSL1-MNT changed: *** [at] opera.com 20191211 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source