These entries are queried from radb.net using whois, you can try my project getting these.
:AS139680 route: 103.143.150.0/23 origin: AS139680 descr: Md Asaduzzaman 250/4, Charpara Primary School Road, Mymensingh Sadar mnt-by: MAINT-RUMELIT-BD last-modified: 2020-03-22T11:29:31Z country: BD source: APNIC rpki-ov-state: valid route: 103.143.150.0/24 origin: AS139680 descr: Md Asaduzzaman 250/4, Charpara Primary School Road, Mymensingh Sadar mnt-by: MAINT-RUMELIT-BD last-modified: 2020-03-22T11:29:51Z country: BD source: APNIC rpki-ov-state: valid route: 103.143.151.0/24 origin: AS139680 descr: Md Asaduzzaman 250/4, Charpara Primary School Road, Mymensingh Sadar mnt-by: MAINT-RUMELIT-BD last-modified: 2020-03-22T11:30:05Z country: BD source: APNIC rpki-ov-state: valid route6: 2405:5640::/32 origin: AS139680 descr: Md Asaduzzaman 250/4, Charpara Primary School Road, Mymensingh Sadar mnt-by: MAINT-RUMELIT-BD last-modified: 2019-10-02T06:42:32Z source: APNIC rpki-ov-state: valid