These entries are queried from radb.net using whois, you can try my project getting these.
:AS151375 route: 61.245.64.0/19 descr: HimawariTV.Corporation X-Keiro : info [at] himawarinet.ne.jp origin: AS151375 notify: info [at] himawarinet.ne.jp mnt-by: MAINT-AS151375 changed: info [at] himawarinet.ne.jp 20231220 source: JPIRR rpki-ov-state: valid route: 103.250.100.0/23 descr: HimawariTV.Corporation X-Keiro : info [at] himawarinet.ne.jp origin: AS151375 notify: info [at] himawarinet.ne.jp mnt-by: MAINT-AS151375 changed: info [at] himawarinet.ne.jp 20231220 source: JPIRR rpki-ov-state: valid