These entries are queried from radb.net using whois, you can try my project getting these.
:AS136214 route: 103.83.204.0/22 descr: CreativaIT origin: AS136214 mnt-by: MAINT-CREATIVAIT-BD last-modified: 2017-01-19T06:04:51Z source: APNIC rpki-ov-state: valid route: 103.83.204.0/23 descr: CreativaIT origin: AS136214 mnt-by: MAINT-CREATIVAIT-BD last-modified: 2017-01-19T06:23:56Z source: APNIC rpki-ov-state: valid route: 103.83.204.0/24 descr: CreativaIT origin: AS136214 mnt-by: MAINT-CREATIVAIT-BD last-modified: 2017-01-19T06:03:55Z source: APNIC rpki-ov-state: valid route: 103.83.205.0/24 descr: CreativaIT origin: AS136214 mnt-by: MAINT-CREATIVAIT-BD last-modified: 2017-01-19T06:04:14Z source: APNIC rpki-ov-state: valid route: 103.83.206.0/23 descr: CreativaIT origin: AS136214 mnt-by: MAINT-CREATIVAIT-BD last-modified: 2017-01-19T06:24:07Z source: APNIC rpki-ov-state: valid route: 103.83.206.0/24 descr: CreativaIT origin: AS136214 mnt-by: MAINT-CREATIVAIT-BD last-modified: 2017-01-19T06:04:23Z source: APNIC rpki-ov-state: valid route: 103.83.207.0/24 descr: CreativaIT origin: AS136214 mnt-by: MAINT-CREATIVAIT-BD last-modified: 2017-01-19T06:04:33Z source: APNIC rpki-ov-state: valid route: 203.89.120.0/22 descr: CreativaIT origin: AS136214 mnt-by: MAINT-CREATIVAIT-BD last-modified: 2017-12-25T05:31:04Z country: BD source: APNIC rpki-ov-state: valid route: 203.89.120.0/23 descr: CreativaIT origin: AS136214 mnt-by: MAINT-CREATIVAIT-BD last-modified: 2017-12-25T05:31:44Z country: BD source: APNIC rpki-ov-state: valid route: 203.89.120.0/24 descr: CreativaIT origin: AS136214 mnt-by: MAINT-CREATIVAIT-BD last-modified: 2017-12-25T05:31:28Z country: BD source: APNIC rpki-ov-state: valid route: 203.89.121.0/24 descr: CreativaIT origin: AS136214 mnt-by: MAINT-CREATIVAIT-BD last-modified: 2017-12-25T05:31:57Z country: BD source: APNIC rpki-ov-state: valid route: 203.89.122.0/23 descr: CreativaIT origin: AS136214 mnt-by: MAINT-CREATIVAIT-BD last-modified: 2017-12-25T05:32:32Z country: BD source: APNIC rpki-ov-state: valid route: 203.89.122.0/24 descr: CreativaIT origin: AS136214 mnt-by: MAINT-CREATIVAIT-BD last-modified: 2017-12-25T05:32:17Z country: BD source: APNIC rpki-ov-state: valid route: 203.89.123.0/24 descr: CreativaIT origin: AS136214 mnt-by: MAINT-CREATIVAIT-BD last-modified: 2017-12-25T05:32:45Z country: BD source: APNIC rpki-ov-state: valid route6: 2401:5740::/32 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:29:06Z source: APNIC rpki-ov-state: valid route6: 2401:5740::/33 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:29:09Z source: APNIC rpki-ov-state: valid route6: 2401:5740::/34 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:29:12Z source: APNIC rpki-ov-state: valid route6: 2401:5740::/35 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:29:15Z source: APNIC rpki-ov-state: valid route6: 2401:5740::/36 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:29:17Z source: APNIC rpki-ov-state: valid route6: 2401:5740:1000::/36 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:29:20Z source: APNIC rpki-ov-state: valid route6: 2401:5740:2000::/35 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:29:23Z source: APNIC rpki-ov-state: valid route6: 2401:5740:2000::/36 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:29:25Z source: APNIC rpki-ov-state: valid route6: 2401:5740:3000::/36 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:29:28Z source: APNIC rpki-ov-state: valid route6: 2401:5740:4000::/34 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:29:30Z source: APNIC rpki-ov-state: valid route6: 2401:5740:4000::/35 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:29:33Z source: APNIC rpki-ov-state: valid route6: 2401:5740:4000::/36 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:29:35Z source: APNIC rpki-ov-state: valid route6: 2401:5740:5000::/36 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:29:38Z source: APNIC rpki-ov-state: valid route6: 2401:5740:6000::/35 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:29:40Z source: APNIC rpki-ov-state: valid route6: 2401:5740:6000::/36 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:29:43Z source: APNIC rpki-ov-state: valid route6: 2401:5740:7000::/36 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:29:45Z source: APNIC rpki-ov-state: valid route6: 2401:5740:8000::/33 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:29:48Z source: APNIC rpki-ov-state: valid route6: 2401:5740:8000::/34 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:29:50Z source: APNIC rpki-ov-state: valid route6: 2401:5740:8000::/35 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:29:53Z source: APNIC rpki-ov-state: valid route6: 2401:5740:8000::/36 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:29:55Z source: APNIC rpki-ov-state: valid route6: 2401:5740:9000::/36 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:29:58Z source: APNIC rpki-ov-state: valid route6: 2401:5740:a000::/35 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:30:00Z source: APNIC rpki-ov-state: valid route6: 2401:5740:a000::/36 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:30:03Z source: APNIC rpki-ov-state: valid route6: 2401:5740:b000::/36 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:30:07Z source: APNIC rpki-ov-state: valid route6: 2401:5740:c000::/34 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:30:10Z source: APNIC rpki-ov-state: valid route6: 2401:5740:c000::/35 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:30:13Z source: APNIC rpki-ov-state: valid route6: 2401:5740:c000::/36 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:30:16Z source: APNIC rpki-ov-state: valid route6: 2401:5740:d000::/36 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:30:19Z source: APNIC rpki-ov-state: valid route6: 2401:5740:e000::/35 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:30:22Z source: APNIC rpki-ov-state: valid route6: 2401:5740:e000::/36 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:30:24Z source: APNIC rpki-ov-state: valid route6: 2401:5740:f000::/36 origin: AS136214 descr: Creativa IT 75/1 Sharoda Ghosh Road, 2nd & 3rd Floor mnt-by: MAINT-CREATIVAIT-BD last-modified: 2022-06-05T17:30:27Z source: APNIC rpki-ov-state: valid