These entries are queried from radb.net using whois, you can try my project getting these.
:AS134479 route: 103.160.252.0/23 origin: AS134479 descr: Sk Kawsar Ahmad Daritaluk, Mograhat mnt-by: MAINT-DNSBD1-BD last-modified: 2021-06-19T10:34:25Z source: APNIC rpki-ov-state: valid route: 103.160.252.0/24 origin: AS134479 descr: Sk Kawsar Ahmad Daritaluk, Mograhat mnt-by: MAINT-DNSBD1-BD last-modified: 2021-06-19T10:37:42Z source: APNIC rpki-ov-state: valid route: 103.160.253.0/24 origin: AS134479 descr: Sk Kawsar Ahmad Daritaluk, Mograhat mnt-by: MAINT-DNSBD1-BD last-modified: 2021-06-19T10:39:19Z source: APNIC rpki-ov-state: valid