These entries are queried from radb.net using whois, you can try my project getting these.
:AS137464 route: 103.109.236.0/24 origin: AS137464 descr: Abul Kalam Azad Public Libray Market (1st Floor), Nirala More. Tangail-1900, Bangladesh mnt-by: MAINT-CITY-COMPUTER-BD last-modified: 2021-09-15T12:28:59Z source: APNIC rpki-ov-state: valid route: 103.109.237.0/24 descr: CITY-COMPUTERS-TANGAIL origin: AS137464 mnt-by: MAINT-CITY-COMPUTER-BD last-modified: 2024-02-29T05:54:55Z source: APNIC rpki-ov-state: valid