These entries are queried from radb.net using whois, you can try my project getting these.
:AS53311 route: 74.120.216.0/21 descr: Proxy Route for Mumbies/VividHosting by Mzima origin: AS53311 admin-c: MZIMA-NETOPS tech-c: MZIMA-NETOPS notify: netops [at] mzima.net mnt-by: MAINT-AS3257 changed: netops [at] mzima.net 20091229 #01:27:51Z changed: netguard [at] gtt.net 20181101 source: RADB last-modified: 2023-11-13T15:55:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source