These entries are queried from radb.net using whois, you can try my project getting these.
:AS131971 route: 103.255.104.0/22 descr: POWER GRID CORPORATION OF INDIA LTD origin: AS131971 mnt-by: MAINT-AS18101 changed: ip.nnoc [at] relianceada.com 20160114 #11:21:08Z source: RADB last-modified: 2023-11-13T15:48:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source