These entries are queried from radb.net using whois, you can try my project getting these.
:AS199266 route: 74.113.99.0/24 descr: Shimane Datacenter Club Customer Route X-Keiro:thinnw.jpirr-alert [at] mail1.softether.co.jp origin: AS199266 notify: thinnw.jpirr-notify [at] mail1.softether.co.jp mnt-by: MAINT-AS150363 changed: irr-admin [at] nic.ad.jp 20240324 source: JPIRR rpki-ov-state: valid route: 74.113.99.0/24 origin: AS199266 descr: AS199266 admin-c: DDPST-ARIN tech-c: DDPS-ARIN mnt-by: MNT-DNL-50 created: 2024-01-15T01:06:47Z last-modified: 2024-01-15T01:06:47Z source: ARIN rpki-ov-state: valid route6: 2602:fd6f:1e::/48 origin: AS199266 descr: AS199266 admin-c: DDPST-ARIN tech-c: DDPS-ARIN mnt-by: MNT-DNL-50 created: 2024-02-09T07:44:13Z last-modified: 2024-02-09T07:44:13Z source: ARIN rpki-ov-state: valid route6: 2602:fd6f:1e::/48 descr: Shimane Datacenter Club Customer Route X-Keiro:thinnw.jpirr-alert [at] mail1.softether.co.jp origin: AS199266 notify: thinnw.jpirr-notify [at] mail1.softether.co.jp mnt-by: MAINT-AS150363 changed: irr-admin [at] nic.ad.jp 20240324 source: JPIRR rpki-ov-state: valid route6: 2a0a:6040:8900::/40 origin: AS199266 mnt-by: containerdev-mnt mnt-by: CLOUDIE-MNT created: 2023-03-21T12:20:36Z last-modified: 2023-03-21T12:20:36Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route6: 2a0c:9a40:8c40::/48 origin: AS199266 mnt-by: ch-ifog-1-mnt created: 2023-04-14T11:45:39Z last-modified: 2023-04-14T11:45:39Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route6: 2a0e:97c0:2f0::/44 origin: AS199266 mnt-by: containerdev-mnt mnt-by: containerdev-noc-mnt mnt-by: containerdev_network-noc-mnt created: 2023-04-30T08:47:59Z last-modified: 2023-04-30T08:47:59Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route6: 2a0e:97c0:2f0::/44 descr: Shimane Datacenter Club Customer Route X-Keiro:thinnw.jpirr-alert [at] mail1.softether.co.jp origin: AS199266 notify: thinnw.jpirr-notify [at] mail1.softether.co.jp mnt-by: MAINT-AS150363 changed: irr-admin [at] nic.ad.jp 20240324 source: JPIRR rpki-ov-state: valid route6: 2a0e:b103::/43 origin: AS199266 mnt-by: containerdev-mnt mnt-by: containerdev-noc-mnt mnt-by: containerdev_network-noc-mnt created: 2023-05-02T11:28:41Z last-modified: 2023-05-02T11:28:41Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2a13:c007:8014::/48 origin: AS199266 mnt-by: August-MNT mnt-by: containerdev-mnt created: 2023-03-22T06:34:07Z last-modified: 2023-03-22T06:34:16Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid