These entries are queried from radb.net using whois, you can try my project getting these.
:AS133331 route: 103.225.92.0/22 descr: Route Object for infobase 103.225.92.0/22 origin: AS133331 country: BD mnt-lower: MAINT-INFOBASELIMITED-BD mnt-routes: MAINT-INFOBASELIMITED-BD mnt-by: MAINT-INFOBASELIMITED-BD last-modified: 2014-02-09T06:57:44Z source: APNIC rpki-ov-state: valid route: 103.225.92.0/23 origin: AS133331 descr: Infobase Limited 29 Subash Bosh Avenue. Luxmibazar, Dhaka. mnt-by: MAINT-INFOBASELIMITED-BD last-modified: 2020-05-03T07:27:34Z source: APNIC rpki-ov-state: valid route: 103.225.92.0/24 origin: AS133331 descr: Infobase Limited 29 Subash Bosh Avenue. Luxmibazar, Dhaka. mnt-by: MAINT-INFOBASELIMITED-BD last-modified: 2020-05-03T07:27:34Z source: APNIC rpki-ov-state: valid route: 103.225.93.0/24 origin: AS133331 descr: Infobase Limited 29 Subash Bosh Avenue. Luxmibazar, Dhaka. mnt-by: MAINT-INFOBASELIMITED-BD last-modified: 2020-05-03T07:27:35Z source: APNIC rpki-ov-state: valid route: 103.225.94.0/23 origin: AS133331 descr: Infobase Limited 29 Subash Bosh Avenue. Luxmibazar, Dhaka. mnt-by: MAINT-INFOBASELIMITED-BD last-modified: 2020-05-03T07:27:35Z source: APNIC rpki-ov-state: valid route: 103.225.94.0/24 origin: AS133331 descr: Infobase Limited 29 Subash Bosh Avenue. Luxmibazar, Dhaka. mnt-by: MAINT-INFOBASELIMITED-BD last-modified: 2020-05-03T07:27:36Z source: APNIC rpki-ov-state: valid route: 103.225.95.0/24 origin: AS133331 descr: Infobase Limited 29 Subash Bosh Avenue. Luxmibazar, Dhaka. mnt-by: MAINT-INFOBASELIMITED-BD last-modified: 2020-05-03T07:27:36Z source: APNIC rpki-ov-state: valid