These entries are queried from radb.net using whois, you can try my project getting these.
:AS26237 route: 74.121.144.0/24 origin: AS26237 descr: Japan Subnet geoidx: Tokyo geoidx: Japan mnt-by: MAINT-AS26237 changed: rdiab [at] nuvasive.com 20221020 #18:17:10Z source: RADB last-modified: 2023-11-13T16:12:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 173.226.98.0/23 origin: AS26237 descr: SD remarks: Proxy object for AS26237 mnt-by: MAINT-AS22773 changed: cciatl-nocengineer [at] cox.com 20220513 source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source