These entries are queried from radb.net using whois, you can try my project getting these.
:AS139599 route: 103.142.49.0/24 origin: AS139599 descr: Perfetti Van Melle Bangladesh Private Limited 2nd Flr Impetus Center 242/B Tejgaon Gulshan Link Rd Dhaka mnt-by: MAINT-PVMBPL-BD last-modified: 2019-12-01T13:26:42Z source: APNIC rpki-ov-state: valid