These entries are queried from radb.net using whois, you can try my project getting these.
:AS138471 route: 103.150.65.0/24 origin: AS138471 descr: Md. Mofizul Islam Kawcher Changramy, Northpara, gangachara, Rangpur mnt-by: MAINT-GANGACHARAONLINE-BD last-modified: 2022-05-27T12:40:17Z source: APNIC rpki-ov-state: valid route6: 2001:df3:5c80::/48 origin: AS138471 descr: Md. Mofizul Islam Kawcher Changramy, Northpara, gangachara, Rangpur mnt-by: MAINT-GANGACHARAONLINE-BD last-modified: 2020-04-09T08:19:08Z source: APNIC rpki-ov-state: valid