These entries are queried from radb.net using whois, you can try my project getting these.
:AS142615 route: 103.170.231.0/24 origin: AS142615 descr: Al Mamun 05 BRAHMANBARIA SCHOOL MARKET mnt-by: MAINT-SARKER-BD last-modified: 2024-04-18T03:45:50Z source: APNIC rpki-ov-state: valid