These entries are queried from radb.net using whois, you can try my project getting these.
:AS37892 route: 124.247.0.0/17 descr: Cable Media WaiWai, for Cable MODEM & STB origin: AS37892 member-of: rs-wai mnt-by: MAINT-AS37892 changed: waitech [at] mvc.wainet.ne.jp 20061106 #00:25:07(UTC) source: RADB last-modified: 2023-11-13T15:57:06Z rpki-ov-state: valid route: 124.247.0.0/17 descr: Cable Media WAIWAI Co., LTD. CIDR-block NO.1 X-Keiro: waitech [at] mvc.wainet.ne.jp origin: AS37892 member-of: rs-wai notify: waitech [at] mvc.wainet.ne.jp mnt-by: MAINT-AS37892 changed: waitech [at] mvc.wainet.ne.jp 20230301 source: JPIRR rpki-ov-state: valid route: 124.247.128.0/18 descr: Cable Media WaiWai, for Cable MODEM & STB origin: AS37892 member-of: rs-wai mnt-by: MAINT-AS37892 changed: waitech [at] mvc.wainet.ne.jp 20061105 #04:22:37(UTC) changed: waitech [at] mvc.wainet.ne.jp 20061106 #00:27:54(UTC) source: RADB last-modified: 2023-11-13T15:57:06Z rpki-ov-state: valid route: 124.247.128.0/18 descr: Cable Media WAIWAI Co., LTD. CIDR-block NO.2 X-Keiro: waitech [at] mvc.wainet.ne.jp origin: AS37892 member-of: rs-wai notify: waitech [at] mvc.wainet.ne.jp mnt-by: MAINT-AS37892 changed: waitech [at] mvc.wainet.ne.jp 20230301 source: JPIRR rpki-ov-state: valid route: 202.145.20.0/22 descr: Cable Media WAIWAI Co., LTD. CIDR-block NO.4 X-Keiro: waitech [at] mvc.wainet.ne.jp origin: AS37892 member-of: rs-wai notify: waitech [at] mvc.wainet.ne.jp mnt-by: MAINT-AS37892 changed: waitech [at] mvc.wainet.ne.jp 20230301 source: JPIRR rpki-ov-state: valid route: 202.145.20.0/22 origin: AS37892 descr: Cable Media WaiWai mnt-by: MAINT-AS37892 changed: waitech [at] mvc.wainet.ne.jp 20211020 #08:24:34Z source: RADB last-modified: 2023-11-13T16:08:34Z rpki-ov-state: valid route: 202.145.26.0/23 descr: Cable Media WAIWAI Co., LTD. CIDR-block NO.5 X-Keiro: waitech [at] mvc.wainet.ne.jp origin: AS37892 member-of: rs-wai notify: waitech [at] mvc.wainet.ne.jp mnt-by: MAINT-AS37892 changed: waitech [at] mvc.wainet.ne.jp 20230301 source: JPIRR rpki-ov-state: valid route: 202.145.26.0/23 origin: AS37892 descr: Cable Media WaiWai mnt-by: MAINT-AS37892 changed: waitech [at] mvc.wainet.ne.jp 20211020 #08:25:14Z source: RADB last-modified: 2023-11-13T16:08:34Z rpki-ov-state: valid route: 202.145.28.0/22 descr: Cable Media WAIWAI Co., LTD. CIDR-block NO.6 X-Keiro: waitech [at] mvc.wainet.ne.jp origin: AS37892 member-of: rs-wai notify: waitech [at] mvc.wainet.ne.jp mnt-by: MAINT-AS37892 changed: waitech [at] mvc.wainet.ne.jp 20230301 source: JPIRR rpki-ov-state: valid route: 202.145.28.0/22 origin: AS37892 descr: Cable Media WaiWai mnt-by: MAINT-AS37892 changed: waitech [at] mvc.wainet.ne.jp 20211020 #08:25:42Z source: RADB last-modified: 2023-11-13T16:08:34Z rpki-ov-state: valid route: 202.220.6.0/23 origin: AS37892 descr: Cable Media WaiWai mnt-by: MAINT-AS37892 changed: waitech [at] mvc.wainet.ne.jp 20211020 #08:23:55Z source: RADB last-modified: 2023-11-13T16:08:34Z rpki-ov-state: valid route: 202.220.6.0/23 descr: Cable Media WAIWAI Co., LTD. CIDR-block NO.3 X-Keiro: waitech [at] mvc.wainet.ne.jp origin: AS37892 member-of: rs-wai notify: waitech [at] mvc.wainet.ne.jp mnt-by: MAINT-AS37892 changed: waitech [at] mvc.wainet.ne.jp 20230301 source: JPIRR rpki-ov-state: valid route6: 2402:c840::/32 origin: AS37892 descr: Cable Media WaiWai, for Cable MODEM & STB member-of: rs-wai mnt-by: MAINT-AS37892 changed: waitech [at] mvc.wainet.ne.jp 20190327 #02:23:22Z source: RADB last-modified: 2023-11-13T15:57:06Z rpki-ov-state: valid route6: 2402:c840::/32 descr: Cable Media WAIWAI Co., LTD. IPv6 Address-block NO.1 X-Keiro: waitech [at] mvc.wainet.ne.jp origin: AS37892 member-of: rs-wai notify: waitech [at] mvc.wainet.ne.jp mnt-by: MAINT-AS37892 changed: waitech [at] mvc.wainet.ne.jp 20230301 source: JPIRR rpki-ov-state: valid