These entries are queried from radb.net using whois, you can try my project getting these.
:AS139757 route: 103.144.198.0/23 origin: AS139757 descr: Md Taslim Hossain A-33 vatpara,savar,dhaka mnt-by: MAINT-TALUKDERNET-BD last-modified: 2019-11-02T09:18:32Z source: APNIC rpki-ov-state: valid route: 103.144.198.0/24 origin: AS139757 descr: Md Taslim Hossain A-33 vatpara,savar,dhaka mnt-by: MAINT-TALUKDERNET-BD last-modified: 2019-11-02T09:19:09Z source: APNIC rpki-ov-state: valid route: 103.144.199.0/24 origin: AS139757 descr: Md Taslim Hossain A-33 vatpara,savar,dhaka mnt-by: MAINT-TALUKDERNET-BD last-modified: 2019-11-02T09:21:10Z source: APNIC rpki-ov-state: valid route6: 2001:df1:d980::/48 origin: AS139757 descr: Md Taslim Hossain A-33 vatpara,savar,dhaka mnt-by: MAINT-TALUKDERNET-BD last-modified: 2019-11-14T10:05:37Z source: APNIC rpki-ov-state: valid