These entries are queried from radb.net using whois, you can try my project getting these.
:AS27561 route: 63.114.146.0/24 descr: iliantcorporation uunet ip block origin: AS27561 mnt-by: ILIANTCORPORATION1-MNT changed: matt.quinones [at] level3.com20040310 20040310 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 94.140.16.0/24 origin: AS27561 mnt-by: MNT-BRONG descr: Brongus.com tech-c: ADMIN6939-ARIN admin-c: ADMIN6939-ARIN remarks: Brongus.com source: ARIN created: 2020-10-27T06:11:34Z last-modified: 2020-10-27T06:11:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source