These entries are queried from radb.net using whois, you can try my project getting these.
:AS136519 route: 103.170.140.0/24 origin: AS136519 descr: Badiuzzaman Biswas 133/4 Malibagh 1st Lane, Dhaka-1217 mnt-by: MAINT-ACCESS5-BD last-modified: 2021-07-28T09:17:33Z source: APNIC rpki-ov-state: valid route: 103.170.141.0/24 origin: AS136519 descr: Badiuzzaman Biswas 133/4 Malibagh 1st Lane, Dhaka-1217 mnt-by: MAINT-ACCESS5-BD last-modified: 2021-07-28T09:17:55Z source: APNIC rpki-ov-state: valid route6: 2001:df7:1c80::/48 origin: AS136519 descr: Badiuzzaman Biswas 133/4 Malibagh 1st Lane, Dhaka-1217 mnt-by: MAINT-ACCESS5-BD last-modified: 2021-07-28T09:20:53Z source: APNIC rpki-ov-state: valid