These entries are queried from radb.net using whois, you can try my project getting these.
:AS22921 route: 64.136.64.0/19 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS22921 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 65.77.240.0/23 descr: DSL.NET origin: AS22921 notify: ipadmin [at] dsl.net mnt-by: DSLNETINC-MNT changed: ipadmin [at] dsl.net 20050801 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 104.218.128.0/21 origin: AS22921 descr: AS22921 mnt-by: MAINT-AS15164 changed: zach.lamm [at] upnfiber.com 20220709 #17:25:20Z source: RADB last-modified: 2023-11-13T16:11:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2602:ffa3::/36 descr: Metroplex Communications, inc. descr: 4101 Centurion Way descr: Addison, TX 75001 descr: US origin: AS22921 mnt-by: MNT-MC-800 changed: meber [at] metroplex.io 20160907 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source