These entries are queried from radb.net using whois, you can try my project getting these.
:AS37257 route: 41.87.160.0/19 origin: AS37257 descr: BBI-BW mnt-by: BBI-MNT changed: *** [at] gmail.com 20220426 changed: *** [at] gmail.com 20220505 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.87.160.0/21 origin: AS37257 descr: BBI-BW mnt-by: BBI-MNT changed: *** [at] gmail.com 20220505 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.87.168.0/22 origin: AS37257 descr: BBI-BW mnt-by: BBI-MNT changed: *** [at] gmail.com 20220505 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.87.172.0/23 origin: AS37257 descr: BBI-BW-FTTH-FTTB mnt-by: BBI-MNT changed: *** [at] gmail.com 20220723 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.87.190.0/23 origin: AS37257 descr: BBI-BW mnt-by: BBI-MNT changed: *** [at] gmail.com 20220505 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source