These entries are queried from radb.net using whois, you can try my project getting these.
:AS141433 route: 103.159.72.0/23 origin: AS141433 descr: Mahfuzur Rahman Section-2, Mirpur, Dhaka-1216. mnt-by: MAINT-NIS-BD last-modified: 2020-11-26T10:27:39Z source: APNIC rpki-ov-state: valid route: 103.159.72.0/24 origin: AS141433 descr: Mahfuzur Rahman 22/I, Borobagh, Section-2, Mirpur. mnt-by: MAINT-NIS-BD last-modified: 2020-11-26T09:43:36Z source: APNIC rpki-ov-state: valid route: 103.159.73.0/24 origin: AS141433 descr: Mahfuzur Rahman 22/I, Borobagh, Section-2, Mirpur. mnt-by: MAINT-NIS-BD last-modified: 2020-11-26T09:44:12Z source: APNIC rpki-ov-state: valid route6: 2001:df1:c240::/48 origin: AS141433 descr: Mahfuzur Rahman 22/I, Borobagh, Section-2, Mirpur. mnt-by: MAINT-NIS-BD last-modified: 2023-04-07T05:39:44Z source: APNIC rpki-ov-state: valid