These entries are queried from radb.net using whois, you can try my project getting these.
:AS135757 route: 103.74.214.0/23 descr: L&T CONSTRUCTION CHENNAI ROUTE OBJECT origin: AS135757 mnt-by: MAINT-IN-IRINN mnt-routes: MAINT-IN-LTCC last-modified: 2017-01-13T10:48:12Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source