These entries are queried from radb.net using whois, you can try my project getting these.
:AS141155 route: 103.155.119.0/24 origin: AS141155 descr: Manas Barua Shah Anis Mosque Market, 92 Momin Road, Jamal Khan mnt-by: MAINT-OUR1-BD last-modified: 2020-09-11T08:18:10Z source: APNIC rpki-ov-state: valid route6: 2406:6dc0::/32 descr: Route Object for 2406:6DC0::/32 origin: AS141155 mnt-by: MAINT-OUR1-BD country: BD last-modified: 2021-01-22T09:42:42Z source: APNIC rpki-ov-state: valid