These entries are queried from radb.net using whois, you can try my project getting these.
:AS139276 route: 103.140.158.0/23 origin: AS139276 descr: Aflah Communication House # 14, Lane # 6, Purbachal Road, North Badda, Badda mnt-by: MAINT-AFLAH-BD last-modified: 2019-11-29T18:49:11Z source: APNIC rpki-ov-state: valid route: 103.140.158.0/24 origin: AS139276 descr: Mohammed Rabin Reza House # 14, Lane # 6, Purbachal Road, North Badda, Badda mnt-by: MAINT-AFLAH-BD last-modified: 2019-07-01T11:55:14Z source: APNIC rpki-ov-state: valid route: 103.140.159.0/24 origin: AS139276 descr: Mohammed Rabin Reza House # 14, Lane # 6, Purbachal Road, North Badda, Badda mnt-by: MAINT-AFLAH-BD last-modified: 2019-07-01T11:55:38Z source: APNIC rpki-ov-state: valid