These entries are queried from radb.net using whois, you can try my project getting these.
:AS5088 route: 206.15.96.0/19 descr: 21st Century Fox origin: AS5088 mnt-by: MAINT-AS27506 changed: robert.hinst [at] crowncastle.com 20190214 #19:39:41Z source: RADB last-modified: 2023-11-13T15:55:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.205.250.0/24 descr: Fox Entertainment Group origin: AS5088 mnt-by: MAINT-AS27506 changed: aday [at] lightower.com 20170404 source: RADB last-modified: 2023-11-13T15:50:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source