These entries are queried from radb.net using whois, you can try my project getting these.
:AS147308 route: 103.225.218.0/24 origin: AS147308 descr: MD TAMIM AHMED Daser Jongol Bazar mnt-by: MAINT-GON-BD last-modified: 2023-06-20T17:23:38Z source: APNIC rpki-ov-state: valid route6: 2602:feda:f050::/44 origin: AS147308 descr: AperNet Customer remarks: Proxy registered object; email noc [at] apernet.io to remove. mnt-by: MNT-APERNET changed: hozeng [at] apernet.io 20211018 source: ALTDB rpki-ov-state: valid