These entries are queried from radb.net using whois, you can try my project getting these.
:AS139683 route: 103.139.145.0/24 origin: AS139683 descr: Rakib Hasan sharifbag bazar, dhamrai-1350, dhamrai,dhaka mnt-by: MAINT-ZOOMONLINE-BD last-modified: 2022-04-21T18:41:22Z source: APNIC rpki-ov-state: valid