These entries are queried from radb.net using whois, you can try my project getting these.
:AS63967 route: 103.9.185.0/24 descr: Bangla Trac Communications Ltd - ISP & Cloud Services origin: AS63967 mnt-by: MAINT-BTRAC-BD last-modified: 2017-10-24T06:56:13Z source: APNIC rpki-ov-state: valid route: 103.9.187.0/24 descr: Bangla Trac Communications Ltd - ISP & Cloud Services last-modified: 2017-10-24T06:56:42Z source: APNIC mnt-by: MAINT-BTRAC-BD origin: AS63967 rpki-ov-state: valid route: 103.244.162.0/24 descr: Bangla Trac Communications Ltd - ISP & Cloud Services origin: AS63967 mnt-by: MAINT-BTRAC-BD last-modified: 2020-01-27T04:32:15Z source: APNIC rpki-ov-state: valid route: 117.104.186.0/24 descr: Bangla Trac Communications Ltd - ISP & Cloud Services origin: AS63967 mnt-by: MAINT-BTRAC-BD last-modified: 2017-10-24T06:57:06Z source: APNIC rpki-ov-state: valid route: 117.104.187.0/24 descr: Bangla Trac Communications Ltd - ISP & Cloud Services origin: AS63967 mnt-by: MAINT-BTRAC-BD last-modified: 2017-10-24T06:57:22Z source: APNIC rpki-ov-state: valid route6: 2404:b780::/32 descr: Bangla Trac Communications Limited origin: AS63967 mnt-by: MAINT-BTRAC-BD last-modified: 2017-05-23T06:11:13Z source: APNIC rpki-ov-state: valid