These entries are queried from radb.net using whois, you can try my project getting these.
:AS4539 route: 74.117.212.0/22 origin: AS4539 descr: SEL mnt-by: MAINT-AS23138 changed: nathana [at] fsr.com 20230220 #01:07:55Z source: RADB last-modified: 2023-11-13T16:15:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.117.213.0/24 descr: Schweitzer Engineering Laboratories admin-c: MU1-LEVEL3 tech-c: MU1-LEVEL3 origin: AS4539 mnt-by: MASERGY-MNT changed: kkyle [at] masergy.com 20170503 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.104.0.0/19 descr: Houston /19 Routes origin: AS4539 mnt-by: NETROPOLIS-MNT changed: michaelm [at] netropolis.net 20000711 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.104.32.0/20 descr: Houston /20 Route origin: AS4539 mnt-by: NETROPOLIS-MNT changed: michaelm [at] netropolis.net 20000711 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source