These entries are queried from radb.net using whois, you can try my project getting these.
:AS138231 route: 103.119.35.0/24 descr: Indian Institute Of Information Technology Allahabad origin: AS138231 mnt-by: MAINT-IN-IIITA mnt-routes: MAINT-IN-IIITA last-modified: 2018-11-20T09:39:09Z source: APNIC rpki-ov-state: valid route: 103.142.225.0/24 descr: Indian Institute Of Information Technology Allahabad origin: AS138231 mnt-by: MAINT-IN-IIITA mnt-routes: MAINT-IN-IIITA last-modified: 2020-05-28T06:40:39Z source: APNIC rpki-ov-state: valid