These entries are queried from radb.net using whois, you can try my project getting these.
:AS140037 route: 103.147.166.0/23 origin: AS140037 descr: Md Rafiquzzaman HOUSE#77 BLOCK# C WORD#04 HOSPITAL ROAD KAZIKANDA mnt-by: MAINT-ARENTERPRISE-BD last-modified: 2020-01-16T05:23:05Z source: APNIC rpki-ov-state: valid route: 103.147.166.0/24 origin: AS140037 descr: Md Rafiquzzaman HOUSE#77 BLOCK# C WORD#04 HOSPITAL ROAD KAZIKANDA mnt-by: MAINT-ARENTERPRISE-BD last-modified: 2020-01-16T05:24:16Z source: APNIC rpki-ov-state: valid route: 103.147.167.0/24 origin: AS140037 descr: Md Rafiquzzaman HOUSE#77 BLOCK# C WORD#04 HOSPITAL ROAD KAZIKANDA mnt-by: MAINT-ARENTERPRISE-BD last-modified: 2020-01-16T05:24:46Z source: APNIC rpki-ov-state: valid route6: 2001:df0:a0c0::/48 origin: AS140037 descr: Md Rafiquzzaman HOUSE#77 BLOCK# C WORD#04 HOSPITAL ROAD KAZIKANDA mnt-by: MAINT-ARENTERPRISE-BD last-modified: 2022-04-10T10:02:49Z source: APNIC rpki-ov-state: valid