These entries are queried from radb.net using whois, you can try my project getting these.
:AS149508 route: 103.181.122.0/24 origin: AS149508 descr: MD LIAQUET ALI MOLLA 12/B, ROAD-4, PLOT-61/1, 61/2, PALLABI mnt-by: MAINT-SSNETWORK-BD last-modified: 2022-02-12T06:02:57Z country: BD mnt-lower: MAINT-SSNETWORK-BD mnt-routes: MAINT-SSNETWORK-BD source: APNIC rpki-ov-state: valid route: 103.181.123.0/24 origin: AS149508 descr: MD LIAQUET ALI MOLLA 12/B, ROAD-4, PLOT-61/1, 61/2, PALLABI mnt-by: MAINT-SSNETWORK-BD last-modified: 2022-02-12T06:04:41Z country: BD mnt-lower: MAINT-SSNETWORK-BD mnt-routes: MAINT-SSNETWORK-BD source: APNIC rpki-ov-state: valid