These entries are queried from radb.net using whois, you can try my project getting these.
:AS62374 route: 44.31.21.0/24 origin: AS62374 descr: M0MUX admin-c: SMITH5996-ARIN tech-c: SMITH5996-ARIN notify: hostmaster [at] ardc.net mnt-by: MAINT-ARDC changed: chris [at] ardc.net 20230107 #18:06:28Z source: RADB last-modified: 2023-11-13T16:13:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 44.31.172.0/24 descr: 44Net - M0MUX Space origin: AS62374 mnt-by: MAINT-AS62374 changed: andy.mace [at] mediauk.net 20221229 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 44.31.172.0/24 origin: AS62374 descr: M0MUX admin-c: SMITH5996-ARIN tech-c: SMITH5996-ARIN notify: hostmaster [at] ardc.net mnt-by: MAINT-ARDC changed: chris [at] ardc.net 20221229 #19:42:05Z source: RADB last-modified: 2023-11-13T16:13:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source