These entries are queried from radb.net using whois, you can try my project getting these.
:AS55382 route: 223.223.160.0/22 descr: HOT-CHA Nagato city office CIDR BLOCK 1 (AS55382) origin: AS55382 notify: catv [at] hot-cha.tv mnt-by: MAINT-AS7670 changed: ry-naito [at] enecom.co.jp 20240409 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 223.223.160.0/22 descr: HOT-CHA Nagato city office CIDR BLOCK 1 (AS55382) origin: AS55382 notify: catv [at] hot-cha.tv mnt-by: MAINT-AS7670 changed: r-hiraoka [at] enecom.co.jp 20100819 source: RADB last-modified: 2023-11-13T15:41:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 223.223.160.0/24 descr: HOT-CHA Nagato city office CIDR BLOCK 1 (AS55382) origin: AS55382 notify: meon-admin [at] stellar.meon.ne.jp mnt-by: MAINT-AS23829 changed: tetsunori [at] stellar.meon.ne.jp 20141015 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 223.223.161.0/24 descr: HOT-CHA Nagato city office CIDR BLOCK 1 (AS55382) origin: AS55382 notify: meon-admin [at] stellar.meon.ne.jp mnt-by: MAINT-AS23829 changed: tetsunori [at] stellar.meon.ne.jp 20141015 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 223.223.162.0/24 descr: HOT-CHA Nagato city office CIDR BLOCK 1 (AS55382) origin: AS55382 notify: meon-admin [at] stellar.meon.ne.jp mnt-by: MAINT-AS23829 changed: tetsunori [at] stellar.meon.ne.jp 20141015 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 223.223.163.0/24 descr: HOT-CHA Nagato city office CIDR BLOCK 1 (AS55382) origin: AS55382 notify: meon-admin [at] stellar.meon.ne.jp mnt-by: MAINT-AS23829 changed: tetsunori [at] stellar.meon.ne.jp 20141015 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source