These entries are queried from radb.net using whois, you can try my project getting these.
:AS142016 route: 103.164.238.0/23 origin: AS142016 descr: Vatara Online Limited House-10, Block-A, Hazi Solimuddin Road, Khane Khodai,Vatara mnt-by: MAINT-VOL-BD last-modified: 2021-04-03T09:39:59Z source: APNIC rpki-ov-state: valid route: 103.164.238.0/24 origin: AS142016 descr: Vatara Online Limited House-10, Block-A, Hazi Solimuddin Road, Khane Khodai,Vatara mnt-by: MAINT-VOL-BD last-modified: 2021-04-03T09:40:51Z source: APNIC rpki-ov-state: valid route: 103.164.239.0/24 origin: AS142016 descr: Vatara Online Limited House-10, Block-A, Hazi Solimuddin Road, Khane Khodai,Vatara mnt-by: MAINT-VOL-BD last-modified: 2021-04-03T09:41:21Z source: APNIC rpki-ov-state: valid