These entries are queried from radb.net using whois, you can try my project getting these.
:AS63939 route: 119.148.21.0/24 origin: AS63939 descr: Agni Systems Limited Navana Tower 11th Floor, Suite A 45 Gulshan Avenue mnt-by: MAINT-BD-AGNI last-modified: 2024-03-14T21:31:39Z source: APNIC rpki-ov-state: valid route: 119.148.22.0/24 origin: AS63939 descr: Agni Systems Limited Navana Tower 11th Floor, Suite A 45 Gulshan Avenue mnt-by: MAINT-BD-AGNI last-modified: 2024-03-14T21:32:29Z source: APNIC rpki-ov-state: valid