These entries are queried from radb.net using whois, you can try my project getting these.
:AS20038 route: 208.82.152.0/21 descr: Allentown School District 31 South Penn St Allentown PA 18102 USA remarks: proxy-registered object for customer Direct inquiries to riverrajo [at] allentownsd.org origin: AS20038 mnt-by: MAINT-AS6079 changed: michael.toth [at] rcn.com 20180706 source: RADB last-modified: 2023-11-13T15:54:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source