These entries are queried from radb.net using whois, you can try my project getting these.
:AS18781 route: 209.8.76.0/24 descr: PNAP-WDC bitshop-routes origin: AS18781 mnt-by: MAINT-AS1828 changed: kjones [at] internap.com 20030319 source: RADB last-modified: 2023-11-13T16:13:53Z rpki-ov-state: valid