These entries are queried from radb.net using whois, you can try my project getting these.
:AS139806 route: 103.145.74.0/23 origin: AS139806 descr: Md Asaduzzaman Khan A-128/3,Vatpara,Savar,Dhaka-1343 mnt-by: MAINT-MASTERNET-BD last-modified: 2019-11-21T08:32:10Z source: APNIC rpki-ov-state: valid route: 103.145.74.0/24 origin: AS139806 descr: Md Asaduzzaman Khan A-128/3,Vatpara,Savar,Dhaka-1343 mnt-by: MAINT-MASTERNET-BD last-modified: 2019-11-21T08:32:11Z source: APNIC rpki-ov-state: valid route: 103.145.75.0/24 origin: AS139806 descr: Netway Broadband mnt-by: MAINT-MASTERNET-BD last-modified: 2020-06-23T07:26:49Z country: BD source: APNIC rpki-ov-state: valid