These entries are queried from radb.net using whois, you can try my project getting these.
:AS139667 route: 103.143.88.0/23 origin: AS139667 descr: Md. Amjad Hossain R 201 /Puraton Mosque Market (1st Floor) Tarabo Bazar, Rupganj, Narayanganj. mnt-by: MAINT-ETN-BD last-modified: 2020-01-15T11:27:43Z source: APNIC rpki-ov-state: valid route: 103.143.88.0/24 origin: AS139667 descr: Md. Amjad Hossain R 201 /Puraton Mosque Market (1st Floor) Tarabo Bazar, Rupganj, Narayanganj. mnt-by: MAINT-ETN-BD last-modified: 2019-09-24T13:04:07Z source: APNIC rpki-ov-state: valid route: 103.143.89.0/24 origin: AS139667 descr: Md. Amjad Hossain R 201 /Puraton Mosque Market (1st Floor) Tarabo Bazar, Rupganj, Narayanganj. mnt-by: MAINT-ETN-BD last-modified: 2019-09-24T13:05:15Z source: APNIC rpki-ov-state: valid route: 103.187.38.0/23 origin: AS139667 descr: Ether Technology Network mnt-by: MAINT-MITMUSTAFA-BD last-modified: 2024-04-20T12:56:03Z source: APNIC rpki-ov-state: valid route: 103.187.38.0/24 origin: AS139667 descr: Ether Technology Network mnt-by: MAINT-MITMUSTAFA-BD last-modified: 2024-04-20T12:56:15Z source: APNIC rpki-ov-state: valid route: 103.187.39.0/24 origin: AS139667 descr: Ether Technology Network mnt-by: MAINT-MITMUSTAFA-BD last-modified: 2024-04-20T12:56:28Z source: APNIC rpki-ov-state: valid