These entries are queried from radb.net using whois, you can try my project getting these.
:AS140523 route: 103.150.18.0/23 origin: AS140523 descr: Md Idrish Ali Holding no 0409-00, shop no 409, bandutia manikgonj mnt-by: MAINT-MANIKGONJNETWORK-BD last-modified: 2020-04-03T15:09:48Z source: APNIC rpki-ov-state: valid route: 103.150.18.0/24 origin: AS140523 descr: Md Idrish Ali Holding no 0409-00, shop no 409, bandutia manikgonj mnt-by: MAINT-MANIKGONJNETWORK-BD last-modified: 2020-04-03T15:09:50Z source: APNIC rpki-ov-state: valid route: 103.150.19.0/24 origin: AS140523 descr: Md Idrish Ali Holding no 0409-00, shop no 409, bandutia manikgonj mnt-by: MAINT-MANIKGONJNETWORK-BD last-modified: 2020-04-03T15:09:51Z source: APNIC rpki-ov-state: valid route6: 2001:df3:4d80::/48 origin: AS140523 descr: Md Idrish Ali Holding no 0409-00, shop no 409, bandutia manikgonj mnt-by: MAINT-MANIKGONJNETWORK-BD last-modified: 2020-04-03T15:10:09Z source: APNIC rpki-ov-state: valid