These entries are queried from radb.net using whois, you can try my project getting these.
:AS137531 route: 103.85.183.0/24 descr: Route object for Airnet Communications origin: AS137531 mnt-by: MAINT-SMART2-BD last-modified: 2023-05-25T09:32:23Z source: APNIC rpki-ov-state: valid route6: 2001:df6:fd80::/48 origin: AS137531 descr: Nasir Uddin Ahmed Rubi Plaza, Shahmostafa Road mnt-by: MAINT-AIRNET1-BD last-modified: 2021-07-07T15:04:23Z country: BD source: APNIC rpki-ov-state: valid