These entries are queried from radb.net using whois, you can try my project getting these.
:AS14735 route: 104.232.48.0/20 descr: ECN-RCE origin: AS14735 mnt-by: MNT-ECN-7 changed: admin-tech-arin [at] eeyou.ca 20171006 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 104.232.48.0/22 descr: NET-104-232-48-0-2 origin: AS14735 remarks: Proxy route on behalf of Kinwapt mnt-by: MAINT-AS852 changed: clinton.work [at] telus.com 20180122 #16:18:06Z source: RADB last-modified: 2023-11-13T15:53:04Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2604:1340::/32 descr: ECN-RCE origin: AS14735 mnt-by: MNT-ECN-7 changed: admin-tech-arin [at] eeyou.ca 20171006 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source