These entries are queried from radb.net using whois, you can try my project getting these.
:AS150379 route: 103.23.254.0/23 descr: JP-Network BD origin: AS150379 mnt-by: MAINT-JPNETWORKBD-BD last-modified: 2022-10-24T14:34:54Z source: APNIC rpki-ov-state: valid route: 103.23.254.0/24 origin: AS150379 descr: MD.POLASH KHAN 32/1/A, Chowdhurypara, Malibagh, Dhaka-1219 mnt-by: MAINT-JPNETWORKBD-BD last-modified: 2023-07-03T13:17:35Z country: BD source: APNIC rpki-ov-state: valid route: 103.23.255.0/24 origin: AS150379 descr: MD.POLASH KHAN 32/1/A, Chowdhurypara, Malibagh, Dhaka-1219 mnt-by: MAINT-JPNETWORKBD-BD last-modified: 2023-07-03T13:19:37Z country: BD source: APNIC rpki-ov-state: valid route6: 2001:df1:6d40::/48 origin: AS150379 descr: MD.POLASH KHAN 32/1/A, Chowdhurypara, Malibagh, Dhaka-1219 mnt-by: MAINT-JPNETWORKBD-BD last-modified: 2022-10-24T13:12:00Z source: APNIC rpki-ov-state: valid