These entries are queried from radb.net using whois, you can try my project getting these.
:AS141462 route: 103.159.186.0/23 origin: AS141462 descr: Md Abdus Salam 31, Mohakhali, 2nd Floor, Colombia Super Market, Dhaka-1212 mnt-by: MAINT-SALAM1-BD last-modified: 2021-06-29T12:34:37Z source: APNIC rpki-ov-state: valid route: 103.159.186.0/24 descr: SalamOnline origin: AS141462 mnt-by: MAINT-SALAM1-BD last-modified: 2020-12-10T07:35:43Z country: BD mnt-lower: MAINT-SALAM1-BD mnt-routes: MAINT-SALAM1-BD source: APNIC rpki-ov-state: valid route: 103.159.187.0/24 descr: SalamOnline origin: AS141462 mnt-by: MAINT-SALAM1-BD last-modified: 2020-12-10T07:36:05Z country: BD mnt-lower: MAINT-SALAM1-BD mnt-routes: MAINT-SALAM1-BD source: APNIC rpki-ov-state: valid route6: 2001:df5:8b80::/48 descr: SalamOnline origin: AS141462 mnt-by: MAINT-SALAM1-BD last-modified: 2020-12-10T07:36:37Z country: BD mnt-lower: MAINT-SALAM1-BD mnt-routes: MAINT-SALAM1-BD source: APNIC rpki-ov-state: valid