These entries are queried from radb.net using whois, you can try my project getting these.
:AS137572 route: 103.113.224.0/22 origin: AS137572 descr: AFTAB NAGAR ONLINE SERVICE (ANOS) descr: House-21, Block-A, Main Road, Aftabnagar, Badda Dhaka 1212 mnt-by: MAINT-AFTABNAGAR-BD last-modified: 2018-04-19T15:16:21Z remarks: AFTAB NAGAR ONLINE SERVICE (ANOS) country: BD source: APNIC rpki-ov-state: valid route: 103.113.224.0/23 origin: AS137572 descr: AFTAB NAGAR ONLINE SERVICE (ANOS) descr: House-21, Block-A, Main Road, Aftabnagar, Badda Dhaka 1212 mnt-by: MAINT-AFTABNAGAR-BD last-modified: 2018-04-19T15:15:33Z remarks: AFTAB NAGAR ONLINE SERVICE (ANOS) country: BD source: APNIC rpki-ov-state: valid route: 103.113.224.0/24 origin: AS137572 descr: AFTAB NAGAR ONLINE SERVICE (ANOS) descr: House-21, Block-A, Main Road, Aftabnagar, Badda Dhaka 1212 mnt-by: MAINT-AFTABNAGAR-BD last-modified: 2018-04-19T15:18:20Z country: BD remarks: AFTAB NAGAR ONLINE SERVICE (ANOS) source: APNIC rpki-ov-state: valid route: 103.113.225.0/24 origin: AS137572 descr: AFTAB NAGAR ONLINE SERVICE (ANOS) descr: House-21, Block-A, Main Road, Aftabnagar, Badda Dhaka 1212 mnt-by: MAINT-AFTABNAGAR-BD last-modified: 2018-04-19T15:20:08Z country: BD remarks: AFTAB NAGAR ONLINE SERVICE (ANOS) source: APNIC rpki-ov-state: valid route: 103.113.226.0/23 origin: AS137572 descr: AFTAB NAGAR ONLINE SERVICE (ANOS) descr: House-21, Block-A, Main Road, Aftabnagar, Badda Dhaka 1212 mnt-by: MAINT-AFTABNAGAR-BD last-modified: 2018-04-19T15:21:43Z country: BD remarks: AFTAB NAGAR ONLINE SERVICE (ANOS) source: APNIC rpki-ov-state: valid route: 103.113.226.0/24 origin: AS137572 descr: AFTAB NAGAR ONLINE SERVICE (ANOS) descr: House-21, Block-A, Main Road, Aftabnagar, Badda Dhaka 1212 mnt-by: MAINT-AFTABNAGAR-BD last-modified: 2018-04-19T15:23:09Z country: BD remarks: AFTAB NAGAR ONLINE SERVICE (ANOS) source: APNIC rpki-ov-state: valid route: 103.113.227.0/24 origin: AS137572 descr: AFTAB NAGAR ONLINE SERVICE (ANOS) descr: House-21, Block-A, Main Road, Aftabnagar, Badda Dhaka 1212 mnt-by: MAINT-AFTABNAGAR-BD last-modified: 2018-04-19T15:24:41Z country: BD remarks: AFTAB NAGAR ONLINE SERVICE (ANOS) source: APNIC rpki-ov-state: valid