These entries are queried from radb.net using whois, you can try my project getting these.
:AS397488 route: 147.160.4.0/24 origin: AS397488 descr: New Albany Plain School - ABNS Cust mnt-by: MAINT-AS11776 changed: acole [at] atlanticbb.com 20221130 #15:54:43Z source: RADB last-modified: 2023-11-13T16:13:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2602:fdd0::/36 origin: AS397488 descr: New Albany Plain School - ABNS Cust mnt-by: MAINT-AS11776 changed: acole [at] atlanticbb.com 20221130 #15:55:50Z source: RADB last-modified: 2023-11-13T16:13:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source