These entries are queried from radb.net using whois, you can try my project getting these.
:AS63354 route: 38.65.117.0/24 descr: Proxy Entry for St. Louis Zoo. origin: AS63354 mnt-by: MAINT-CHTR-WD changed: kazi.hoque [at] charter.com 20170626 #20:59:08Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.243.175.0/24 descr: RR-RC-ST LOUIS ZOO PRIMATE-Central origin: AS63354 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20200319 #16:22:34Z source: RADB last-modified: 2023-11-13T16:15:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source