These entries are queried from radb.net using whois, you can try my project getting these.
:AS38021 route: 203.190.248.0/24 descr: IIFT origin: AS38021 mnt-by: MAINT-IN-BIMAL country: IN last-modified: 2008-09-04T07:55:25Z source: APNIC rpki-ov-state: valid route: 203.190.248.0/24 descr: Reliance customer IIFTNET origin: AS38021 mnt-by: MAINT-AS18101 changed: ip.nnoc [at] relianceinfo.com 20060707 #05:45:50(UTC) source: RADB last-modified: 2023-11-13T15:47:44Z rpki-ov-state: valid