These entries are queried from radb.net using whois, you can try my project getting these.
:AS146985 route: 103.144.248.0/23 descr: KISSEI COMTEC Co.,Ltd origin: AS146985 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20221031 source: RADB last-modified: 2023-11-13T16:12:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source