These entries are queried from radb.net using whois, you can try my project getting these.
:AS53532 route: 198.162.12.0/24 origin: AS53532 descr: Cinnaminson Township Public Schools admin-c: CREEL29-ARIN tech-c: CREEL29-ARIN mnt-by: MNT-BETC created: 2022-03-08T19:27:26Z last-modified: 2022-03-08T19:27:26Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.162.12.0/24 descr: Cinnaminson Schools origin: AS53532 mnt-by: MAINT-AS27506 changed: mdimambro [at] lightower.com 20190211 source: RADB last-modified: 2023-11-13T15:55:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source