These entries are queried from radb.net using whois, you can try my project getting these.
:AS56112 route: 58.137.96.0/24 descr: Muang Thai Life Assurance origin: AS56112 mnt-by: MAINT-AS4750 changed: bgpadmin [at] csloxinfo.net 20110314 #09:11:52Z source: RADB last-modified: 2023-11-13T15:41:16Z rpki-ov-state: valid route: 110.170.242.0/24 descr: Muang Thai Life Assurance PCL. origin: AS56112 mnt-by: MAINT-AS7470 changed: panthip_yim [at] trueinternet.co.th 20131217 #07:14:36Z source: RADB last-modified: 2023-11-13T15:45:55Z rpki-ov-state: valid route: 203.153.190.0/24 descr: Muang Thai Life Assurance origin: AS56112 mnt-by: MAINT-AS4750 changed: bgpadmin [at] csloxinfo.net 20110314 #09:14:20Z source: RADB last-modified: 2023-11-13T15:41:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source