These entries are queried from radb.net using whois, you can try my project getting these.
:AS137415 route: 103.107.184.0/24 origin: AS137415 descr: Bangladesh Coast Guard Force Agargoan Administrative Area, Sher-E-Bangla Nagar mnt-by: MAINT-BCGF-BD last-modified: 2018-01-22T07:13:07Z source: APNIC rpki-ov-state: valid