These entries are queried from radb.net using whois, you can try my project getting these.
:AS137526 route: 103.20.242.0/23 origin: AS137526 descr: SOYED SHAHADAT HOSSEN H10, Madarsha School Market, North Madarsha, Hathazari mnt-by: MAINT-HALDA-BD last-modified: 2022-11-03T14:26:15Z source: APNIC rpki-ov-state: valid route: 103.20.242.0/24 origin: AS137526 descr: SOYED SHAHADAT HOSSEN H10, Madarsha School Market, North Madarsha, Hathazari mnt-by: MAINT-HALDA-BD last-modified: 2022-11-03T14:26:18Z source: APNIC rpki-ov-state: valid route: 103.20.243.0/24 origin: AS137526 descr: SOYED SHAHADAT HOSSEN H10, Madarsha School Market, North Madarsha, Hathazari mnt-by: MAINT-HALDA-BD last-modified: 2022-11-03T14:26:21Z source: APNIC rpki-ov-state: valid route: 103.111.224.0/22 origin: AS137526 descr: Neaj Morshed Plusnet Inc, 107 Goribullah R/A, Road-1. Khulshi-1 mnt-by: MAINT-PLUSNETINC-BD last-modified: 2021-11-09T14:16:58Z source: APNIC rpki-ov-state: valid route: 103.111.224.0/24 origin: AS137526 descr: Plusnet Inc Goribullah R/A, Khulshi 4225 Chittagong mnt-by: MAINT-PLUSNETINC-BD last-modified: 2019-11-20T11:03:32Z source: APNIC rpki-ov-state: valid route: 103.111.225.0/24 origin: AS137526 descr: Plusnet Inc Goribullah R/A, Khulshi 4225 Chittagong mnt-by: MAINT-PLUSNETINC-BD last-modified: 2019-11-20T11:04:15Z source: APNIC rpki-ov-state: valid route: 103.111.226.0/24 origin: AS137526 descr: Plusnet Inc Goribullah R/A, Khulshi 4225 Chittagong mnt-by: MAINT-PLUSNETINC-BD last-modified: 2019-11-20T11:05:06Z source: APNIC rpki-ov-state: valid route: 103.111.227.0/24 origin: AS137526 descr: Plusnet Inc Goribullah R/A, Khulshi 4225 Chittagong mnt-by: MAINT-PLUSNETINC-BD last-modified: 2019-11-20T11:05:22Z source: APNIC rpki-ov-state: valid route: 103.156.181.0/24 origin: AS137526 descr: Plusnet inc. mnt-by: MAINT-DISCOVERY24ONLINE-BD last-modified: 2023-11-30T15:48:03Z source: APNIC rpki-ov-state: valid route: 103.186.238.0/23 origin: AS137526 descr: Novel Chakma Rangamati Mari Stadium, Rangamati, Chittagong mnt-by: MAINT-ITZONE-BD last-modified: 2022-05-25T13:41:01Z source: APNIC rpki-ov-state: valid route: 103.186.238.0/24 origin: AS137526 descr: Novel Chakma Rangamati Mari Stadium, Rangamati, Chittagong mnt-by: MAINT-ITZONE-BD last-modified: 2022-05-25T13:41:03Z source: APNIC rpki-ov-state: valid route: 103.186.239.0/24 origin: AS137526 descr: Novel Chakma Rangamati Mari Stadium, Rangamati, Chittagong mnt-by: MAINT-ITZONE-BD last-modified: 2022-05-25T13:41:05Z source: APNIC rpki-ov-state: valid route6: 2402:a1c0::/32 descr: Plusnet Inc Goribullah R/A, Khulshi 4225 Chittagong mnt-by: MAINT-PLUSNETINC-BD origin: AS137526 last-modified: 2021-01-14T07:41:20Z source: APNIC rpki-ov-state: valid