These entries are queried from radb.net using whois, you can try my project getting these.
:AS149832 route: 103.187.136.0/24 origin: AS149832 descr: Asma Ibrahim Feroza-Hafez Shanti Niketon, Cumilla Road, Chandpur. mnt-by: MAINT-TIMESCOMMUNICATION-BD last-modified: 2022-05-19T14:17:24Z source: APNIC rpki-ov-state: valid