These entries are queried from radb.net using whois, you can try my project getting these.
:AS150336 route: 103.15.212.0/23 origin: AS150336 descr: MD ABDUL SAMID BASHIR UDIN/ MD.ABDUL SAMID BASHIR UDDIN 2nd Floor Chapain - Dewga Rd C.R.P , Savar descr: D-Load Network mnt-by: MAINT-DLOADNETWORK-BD last-modified: 2022-10-06T04:49:17Z source: APNIC rpki-ov-state: valid route: 103.15.212.0/24 origin: AS150336 descr: MD ABDUL SAMID BASHIR UDIN/ MD.ABDUL SAMID BASHIR UDDIN 2nd Floor Chapain - Dewga Rd C.R.P , Savar Mobile-01670173359 descr: D-Load Network mnt-by: MAINT-DLOADNETWORK-BD last-modified: 2022-11-07T05:50:46Z source: APNIC rpki-ov-state: valid route: 103.15.213.0/24 origin: AS150336 descr: MD ABDUL SAMID BASHIR UDIN/ MD.ABDUL SAMID BASHIR UDDIN 2nd Floor Chapain - Dewga Rd C.R.P , Savar Moble-01670173359 descr: D-Load Network mnt-by: MAINT-DLOADNETWORK-BD last-modified: 2022-11-07T05:51:03Z source: APNIC rpki-ov-state: valid