These entries are queried from radb.net using whois, you can try my project getting these.
:AS149983 route: 103.189.246.0/23 origin: AS149983 descr: Md Humayun Kabir/Md. Humayun Kabir Mawna-Chowrasta,Sreepur,Gazipur mnt-by: MAINT-MINJUONLINE-BD last-modified: 2022-07-28T14:02:43Z source: APNIC rpki-ov-state: valid route: 103.189.246.0/24 origin: AS149983 descr: Md Humayun Kabir/Md. Humayun Kabir Mawna-Chowrasta,Sreepur,Gazipur mnt-by: MAINT-MINJUONLINE-BD last-modified: 2022-06-22T07:26:30Z source: APNIC rpki-ov-state: valid route: 103.189.247.0/24 origin: AS149983 descr: Md Humayun Kabir/Md. Humayun Kabir Mawna-Chowrasta,Sreepur,Gazipur mnt-by: MAINT-MINJUONLINE-BD last-modified: 2022-06-22T07:27:38Z source: APNIC rpki-ov-state: valid route6: 2001:df0:dfc0::/48 origin: AS149983 descr: Md Humayun Kabir/Md. Humayun Kabir Mawna-Chowrasta,Sreepur,Gazipur mnt-by: MAINT-MINJUONLINE-BD last-modified: 2022-07-23T09:53:36Z country: BD source: APNIC rpki-ov-state: valid