These entries are queried from radb.net using whois, you can try my project getting these.
:AS63923 route: 103.44.76.0/22 descr: Aggregation Block origin: AS63923 mnt-by: MAINT-BHL-BD last-modified: 2014-12-09T05:03:27Z source: APNIC rpki-ov-state: valid route: 103.44.76.0/24 descr: Announced Block origin: AS63923 mnt-by: MAINT-BHL-BD last-modified: 2014-12-09T05:04:20Z source: APNIC rpki-ov-state: valid route: 103.44.77.0/24 origin: AS63923 descr: Best Holdings Limited Best Holdings Limited House # 49/A, , Road # 7,, , Nikunja-2. mnt-by: MAINT-BHL-BD last-modified: 2021-05-20T06:50:56Z source: APNIC rpki-ov-state: valid route: 103.44.78.0/24 origin: AS63923 descr: Best Holdings Limited Best Holdings Limited House # 49/A, , Road # 7,, , Nikunja-2. mnt-by: MAINT-BHL-BD last-modified: 2021-05-20T06:50:57Z source: APNIC rpki-ov-state: valid route: 103.44.79.0/24 origin: AS63923 descr: Best Holdings Limited Best Holdings Limited House # 49/A, , Road # 7,, , Nikunja-2. mnt-by: MAINT-BHL-BD last-modified: 2021-05-20T06:50:59Z source: APNIC rpki-ov-state: valid