These entries are queried from radb.net using whois, you can try my project getting these.
:AS60653 route: 8.29.198.0/24 descr: Feedly Inc. origin: AS60653 mnt-by: MAINT-AS60653 changed: noc [at] feedly.com 20200623 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.41.73.0/24 descr: Feedly Inc. origin: AS60653 mnt-by: MAINT-AS60653 changed: noc [at] feedly.com 20200623 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.41.73.0/24 descr: Feedly origin: AS60653 mnt-by: MNT-IRL-49 changed: hwuthrich [at] ixreach.com 20191106 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source