These entries are queried from radb.net using whois, you can try my project getting these.
:AS6124 route: 148.100.0.0/16 origin: AS6124 descr: This is a proxy registration by NYSERNet on behalf of one of our member campuses. For changes or removal, contact noc [at] nysernet.org admin-c: William Owens tech-c: NYSERNet NOC notify: noc [at] nysernet.org notify: net.admins [at] marist.edu mnt-by: MAINT-AS3754 changed: owens [at] nysernet.org 20220120 #22:27:40Z source: RADB last-modified: 2023-11-13T16:09:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:91::/48 descr: Marist College origin: AS6124 mnt-by: MAINT-AS27506 changed: robert.hinst [at] crowncastle.com 20190401 source: RADB last-modified: 2023-11-13T15:55:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source