These entries are queried from radb.net using whois, you can try my project getting these.
:AS138638 route: 103.135.88.0/22 origin: AS138638 descr: FENI EASY NET./ISP mnt-by: MAINT-FENIEASYNET-BD last-modified: 2022-03-06T12:40:26Z country: BD source: APNIC rpki-ov-state: valid route: 103.135.88.0/23 origin: AS138638 descr: FENI EASY NET/ISP mnt-by: MAINT-FENIEASYNET-BD last-modified: 2023-01-03T07:25:59Z country: BD source: APNIC rpki-ov-state: valid route: 103.135.88.0/24 origin: AS138638 descr: FENI EASY NET./ISP mnt-by: MAINT-FENIEASYNET-BD last-modified: 2022-03-06T12:40:58Z country: BD source: APNIC rpki-ov-state: valid route: 103.135.89.0/24 origin: AS138638 descr: FENI EASY NET./ISP mnt-by: MAINT-FENIEASYNET-BD last-modified: 2022-03-06T12:41:11Z country: BD source: APNIC rpki-ov-state: valid route: 103.135.90.0/23 origin: AS138638 descr: FENI EASY NET./ISP mnt-by: MAINT-FENIEASYNET-BD last-modified: 2022-03-06T12:41:25Z country: BD source: APNIC rpki-ov-state: valid route: 103.135.90.0/24 origin: AS138638 descr: FENI EASY NET./ISP mnt-by: MAINT-FENIEASYNET-BD last-modified: 2022-03-06T12:41:37Z country: BD source: APNIC rpki-ov-state: valid route: 103.135.91.0/24 origin: AS138638 descr: Md Faruk Hossain 232 Baspara Quarter Feni mnt-by: MAINT-FENIEASYNET-BD last-modified: 2023-01-02T15:58:20Z source: APNIC rpki-ov-state: valid route6: 2404:7840::/32 origin: AS138638 descr: FENI EASY NET./ISP mnt-by: MAINT-FENIEASYNET-BD last-modified: 2022-03-06T12:43:40Z country: BD source: APNIC rpki-ov-state: valid route6: 2404:7840::/48 origin: AS138638 descr: FENI EASY NET./ISP mnt-by: MAINT-FENIEASYNET-BD last-modified: 2022-03-06T12:43:56Z source: APNIC rpki-ov-state: valid route6: 2404:7840:1::/48 origin: AS138638 descr: FENI EASY NET./ISP mnt-by: MAINT-FENIEASYNET-BD last-modified: 2022-03-06T12:42:43Z country: BD source: APNIC rpki-ov-state: valid route6: 2404:7840:2::/48 origin: AS138638 descr: FENI EASY NET./ISP mnt-by: MAINT-FENIEASYNET-BD last-modified: 2022-03-06T12:42:58Z country: BD source: APNIC rpki-ov-state: valid