These entries are queried from radb.net using whois, you can try my project getting these.
:AS140103 route: 103.148.148.0/23 origin: AS140103 descr: Invention Technologies LTD 80-A Shahjalal Complex, Siddeshwari circular road.Dhaka-1217 mnt-by: MAINT-ITL-BD last-modified: 2020-05-11T20:44:09Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.148.148.0/24 origin: AS140103 descr: Cumrun Nahar Shopna 80-A Shahjalal Complex, Siddeshwari circular road.Dhaka-1217 mnt-by: MAINT-ITL-BD last-modified: 2020-02-26T20:32:02Z source: APNIC rpki-ov-state: valid route: 103.148.149.0/24 origin: AS140103 descr: Cumrun Nahar Shopna 80-A Shahjalal Complex, Siddeshwari circular road.Dhaka-1217 mnt-by: MAINT-ITL-BD last-modified: 2020-02-26T20:32:28Z source: APNIC rpki-ov-state: valid