These entries are queried from radb.net using whois, you can try my project getting these.
:AS152469 route: 157.15.196.0/24 origin: AS152469 descr: Sohrab Ali Kha 72/1, Khilkhet, Uttara - East, Dhaka 1229 descr: Sawdesh Bd Net mnt-by: MAINT-SAWDESHBDNET-BD last-modified: 2024-02-09T16:51:36Z source: APNIC rpki-ov-state: valid