These entries are queried from radb.net using whois, you can try my project getting these.
:AS37419 route: 196.43.230.0/24 descr: Creating a route object as Level 3 does not filter AFRINIC origin: AS37419 mnt-by: LEVEL3-MNT changed: vince.chipping [at] level3.com 20150911 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 196.43.230.0/24 origin: AS37419 descr: TRA (Tanzania Revenue Authority) mnt-by: MAINT-AS36994 changed: naivel.molewa [at] vodacom.co.za 20240130 # 1539Z source: RADB last-modified: 2024-01-30T15:39:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source