These entries are queried from radb.net using whois, you can try my project getting these.
:AS138612 route: 103.134.124.0/24 descr: AMR NET origin: AS138612 mnt-by: MAINT-AMRNET-BD country: BD remarks: IP for AMR NET last-modified: 2019-02-25T05:49:57Z source: APNIC rpki-ov-state: valid route: 103.134.125.0/24 descr: AMR NET origin: AS138612 mnt-by: MAINT-AMRNET-BD country: BD remarks: IP for AMR NET last-modified: 2019-02-25T05:51:20Z source: APNIC rpki-ov-state: valid