These entries are queried from radb.net using whois, you can try my project getting these.
:AS131909 route: 203.99.72.0/21 descr: OCC Co., Ltd. 496 Takushi, Urasoe-shi, Okinawa, 901-2112 Japan X-Keiro : domain-tech [at] occ.co.jp origin: AS131909 notify: domain-tech [at] occ.co.jp mnt-by: MAINT-AS131909 changed: domain-tech [at] occ.co.jp 20231128 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.99.72.0/22 descr: OCC Co., Ltd. 496 Takushi, Urasoe-shi, Okinawa, 901-2112 Japan X-Keiro : domain-tech [at] occ.co.jp origin: AS131909 notify: domain-tech [at] occ.co.jp mnt-by: MAINT-AS131909 changed: domain-tech [at] occ.co.jp 20231128 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.99.76.0/22 descr: OCC Co., Ltd. 496 Takushi, Urasoe-shi, Okinawa, 901-2112 Japan X-Keiro : domain-tech [at] occ.co.jp origin: AS131909 notify: domain-tech [at] occ.co.jp mnt-by: MAINT-AS131909 changed: domain-tech [at] occ.co.jp 20231128 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source