These entries are queried from radb.net using whois, you can try my project getting these.
:AS141194 route: 103.156.56.0/24 origin: AS141194 descr: Md. Mizanur Rahman Kitab Ali Plaza, Mawna Chowrasta mnt-by: MAINT-BNS-BD last-modified: 2020-11-12T07:55:21Z source: APNIC rpki-ov-state: valid route: 103.161.226.0/24 origin: AS141194 descr: Md. Mizanur Rahman Kitab Ali Plaza, Mawna Chowrasta mnt-by: MAINT-BNS-BD last-modified: 2021-01-18T11:36:22Z source: APNIC rpki-ov-state: valid route6: 2001:df5:5a80::/48 origin: AS141194 descr: Md. Mizanur Rahman Kitab Ali Plaza, Mawna Chowrasta mnt-by: MAINT-BNS-BD last-modified: 2020-11-12T07:59:19Z source: APNIC rpki-ov-state: valid