These entries are queried from radb.net using whois, you can try my project getting these.
:AS45687 route: 27.54.96.0/20 descr: Minamikyusyu Cable Television and Network Co.,Ltd. X-Keiro:as45687 [at] po.mct.ne.jp origin: AS45687 notify: as45687 [at] po.mct.ne.jp mnt-by: MAINT-AS45687 changed: as45687 [at] po.mct.ne.jp 20240111 source: JPIRR rpki-ov-state: valid route: 27.54.96.0/20 descr: Minamikyusyu CableTV Net Inc. origin: AS45687 mnt-by: MAINT-IPRIO changed: hostmaster [at] iprio.co.jp 20100326 #09:11:05Z source: RADB last-modified: 2023-11-13T15:40:35Z rpki-ov-state: valid route: 27.54.112.0/22 descr: Minamikyusyu CableTV Net Inc. origin: AS45687 mnt-by: MAINT-IPRIO changed: hostmaster [at] iprio.co.jp 20100326 #09:12:16Z source: RADB last-modified: 2023-11-13T15:40:35Z rpki-ov-state: valid route: 27.54.112.0/22 descr: Minamikyusyu Cable Television and Network Co.,Ltd. X-Keiro:as45687 [at] po.mct.ne.jp origin: AS45687 notify: as45687 [at] po.mct.ne.jp mnt-by: MAINT-AS45687 changed: as45687 [at] po.mct.ne.jp 20240111 source: JPIRR rpki-ov-state: valid route: 103.74.160.0/22 descr: Minamikyusyu Cable Television and Network Co.,Ltd. X-Keiro:as45687 [at] po.mct.ne.jp origin: AS45687 notify: as45687 [at] po.mct.ne.jp mnt-by: MAINT-AS45687 changed: as45687 [at] po.mct.ne.jp 20240111 source: JPIRR rpki-ov-state: valid route: 103.137.106.0/23 origin: AS45687 descr: Minamikyusyu CableTV Net Inc. mnt-by: MAINT-IPRIO changed: hostmaster [at] iprio.co.jp 20191003 #11:10:57Z source: RADB last-modified: 2023-11-13T15:58:15Z rpki-ov-state: valid route: 103.137.106.0/23 descr: Minamikyusyu Cable Television and Network Co.,Ltd. X-Keiro:as45687 [at] po.mct.ne.jp origin: AS45687 notify: as45687 [at] po.mct.ne.jp mnt-by: MAINT-AS45687 changed: as45687 [at] po.mct.ne.jp 20240111 source: JPIRR rpki-ov-state: valid route: 202.223.60.0/22 origin: AS45687 descr: Minamikyusyu CableTV Net Inc. mnt-by: MAINT-IPRIO changed: hostmaster [at] iprio.co.jp 20191003 #11:10:24Z source: RADB last-modified: 2023-11-13T15:58:15Z rpki-ov-state: valid route: 202.223.60.0/22 descr: Minamikyusyu CableTV Net Inc. X-Keiro:as45687 [at] po.mct.ne.jp origin: AS45687 notify: as45687 [at] po.mct.ne.jp mnt-by: MAINT-AS45687 changed: as45687 [at] po.mct.ne.jp 20240301 source: JPIRR rpki-ov-state: valid route: 219.100.140.0/22 descr: Minamikyusyu Cable Television and Network Co.,Ltd. X-Keiro:as45687 [at] po.mct.ne.jp origin: AS45687 notify: as45687 [at] po.mct.ne.jp mnt-by: MAINT-AS45687 changed: as45687 [at] po.mct.ne.jp 20240111 source: JPIRR rpki-ov-state: valid route6: 2405:30c0::/32 descr: Minamikyusyu Cable Television and Network Co.,Ltd. X-Keiro:as45687 [at] po.mct.ne.jp origin: AS45687 notify: as45687 [at] po.mct.ne.jp mnt-by: MAINT-AS45687 changed: as45687 [at] po.mct.ne.jp 20240111 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2405:30c0::/32 origin: AS45687 descr: Minamikyusyu CableTV Net Inc. mnt-by: MAINT-IPRIO changed: hostmaster [at] iprio.co.jp 20191003 #11:11:43Z source: RADB last-modified: 2023-11-13T15:58:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source