These entries are queried from radb.net using whois, you can try my project getting these.
:AS131217 route: 203.161.181.0/24 descr: INFINEON TECHNOLOGIES ASIA PACIFIC PTE LTD origin: AS131217 mnt-by: MAINT-SG-INFINEON last-modified: 2009-09-15T02:37:01Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source