These entries are queried from radb.net using whois, you can try my project getting these.
:AS139928 route: 103.147.110.0/23 origin: AS139928 descr: Md. Tanvir Ahamad MishukHolding-15 (0-01) New-28 Old, Dhanmondi mnt-by: MAINT-TWTL-BD last-modified: 2020-01-29T13:20:01Z source: APNIC rpki-ov-state: valid route: 103.147.110.0/24 origin: AS139928 descr: Md. Tanvir Ahamad Mishuk Holding-15 (0-01) New-28 Old, Dhanmondi mnt-by: MAINT-TWTL-BD last-modified: 2020-02-01T07:24:34Z source: APNIC rpki-ov-state: valid route: 103.147.111.0/24 origin: AS139928 descr: Md. Tanvir Ahamad Mishuk Holding-15 (0-01) New-28 Old, Dhanmondi mnt-by: MAINT-TWTL-BD last-modified: 2020-02-01T07:24:57Z source: APNIC rpki-ov-state: valid route6: 2001:df2:9380::/48 origin: AS139928 descr: Md. Tanvir Ahamad Mishuk Holding-15 (0-01) New-28 Old, Dhanmondi mnt-by: MAINT-TWTL-BD last-modified: 2020-01-29T13:18:43Z source: APNIC rpki-ov-state: valid