These entries are queried from radb.net using whois, you can try my project getting these.
:AS135494 route: 103.219.232.0/23 origin: AS135494 descr: Md. Shuzanur Rahman 14/A, 31/A Tejkunipara, Tejgaon, mnt-by: MAINT-KARSANNET-BD last-modified: 2021-08-30T17:19:41Z source: APNIC rpki-ov-state: valid route: 103.219.232.0/24 origin: AS135494 descr: Md. Shuzanur Rahman 14/A, 31/A Tejkunipara, Tejgaon, mnt-by: MAINT-KARSANNET-BD last-modified: 2021-08-30T17:20:31Z source: APNIC rpki-ov-state: valid route: 103.219.233.0/24 origin: AS135494 descr: Md. Shuzanur Rahman 14/A, 31/A Tejkunipara, Tejgaon, mnt-by: MAINT-KARSANNET-BD last-modified: 2021-08-30T17:21:55Z source: APNIC rpki-ov-state: valid route6: 2406:53c0::/32 origin: AS135494 descr: Md. Shuzanur Rahman 14/A, 31/A Tejkunipara, Tejgaon, mnt-by: MAINT-KARSANNET-BD last-modified: 2021-08-30T17:22:52Z source: APNIC rpki-ov-state: valid