These entries are queried from radb.net using whois, you can try my project getting these.
:AS141154 route: 103.155.98.0/24 origin: AS141154 descr: Md. Ahia Ulumuddin Khan House# 1/Kha, Road# 7/A, West Dhanmondi mnt-by: MAINT-IBI-BD last-modified: 2023-04-30T06:56:51Z source: APNIC rpki-ov-state: valid route6: 2001:df4:c080::/48 origin: AS141154 descr: IFOSOURCE BROADBAND INTERNET mnt-by: MAINT-IBI-BD last-modified: 2020-09-04T14:00:30Z country: BD source: APNIC rpki-ov-state: valid