These entries are queried from radb.net using whois, you can try my project getting these.
:AS148988 route: 103.175.123.0/24 origin: AS148988 descr: Jakirul Islam Ripon Toruniata Bazar, Ward no 4 mnt-by: MAINT-KLIKX-BD last-modified: 2021-12-01T09:02:26Z source: APNIC rpki-ov-state: valid