These entries are queried from radb.net using whois, you can try my project getting these.
:AS136438 route: 103.88.24.0/22 descr: Adda Network origin: AS136438 mnt-by: MAINT-ADDANETWORK-BD last-modified: 2017-03-18T15:54:46Z source: APNIC rpki-ov-state: valid route: 103.88.24.0/23 descr: Adda Network origin: AS136438 mnt-by: MAINT-ADDANETWORK-BD last-modified: 2017-03-18T15:54:43Z source: APNIC rpki-ov-state: valid route: 103.88.24.0/24 descr: Adda Network origin: AS136438 mnt-by: MAINT-ADDANETWORK-BD last-modified: 2017-03-18T15:54:07Z source: APNIC rpki-ov-state: valid route: 103.88.25.0/24 descr: Adda Network origin: AS136438 mnt-by: MAINT-ADDANETWORK-BD last-modified: 2017-03-18T15:54:13Z source: APNIC rpki-ov-state: valid route: 103.88.26.0/23 descr: Adda Network origin: AS136438 mnt-by: MAINT-ADDANETWORK-BD last-modified: 2017-03-18T15:54:52Z source: APNIC rpki-ov-state: valid route: 103.88.26.0/24 descr: Adda Network origin: AS136438 mnt-by: MAINT-ADDANETWORK-BD last-modified: 2017-03-18T15:54:33Z source: APNIC rpki-ov-state: valid route: 103.88.27.0/24 descr: Adda Network origin: AS136438 mnt-by: MAINT-ADDANETWORK-BD last-modified: 2017-03-18T15:54:37Z source: APNIC rpki-ov-state: valid