These entries are queried from radb.net using whois, you can try my project getting these.
:AS37136 route: 156.0.212.0/22 descr: Etisalat Benin SA origin: AS37136 org: ORG-EB1-AFRINIC notify: *** [at] afrinic.net mnt-by: ETISALATBENIN changed: *** [at] moov.bj 20170905 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source