These entries are queried from radb.net using whois, you can try my project getting these.
:AS138208 route: 103.122.46.0/23 origin: AS138208 descr: The Introvision mnt-by: MAINT-THEINTROVISION-BD last-modified: 2018-09-15T02:36:34Z source: APNIC rpki-ov-state: valid route: 103.122.46.0/24 origin: AS138208 descr: Saif Mahmud 57/1 North Mugda Zhilpar, Dhaka-1214 mnt-by: MAINT-THEINTROVISION-BD last-modified: 2022-02-26T11:28:29Z source: APNIC rpki-ov-state: valid route: 103.122.47.0/24 origin: AS138208 descr: Saif Mahmud 57/1 North Mugda Zhilpar, Dhaka-1214 mnt-by: MAINT-THEINTROVISION-BD last-modified: 2022-02-26T11:28:30Z source: APNIC rpki-ov-state: valid route6: 2001:df6:b900::/48 origin: AS138208 descr: The Introvision descr: Saif Mahmud descr: 57/1 North Mugda Zhilpar, Dhaka-1214 mnt-by: MAINT-THEINTROVISION-BD last-modified: 2018-09-19T12:16:45Z source: APNIC rpki-ov-state: valid