These entries are queried from radb.net using whois, you can try my project getting these.
:AS133990 route: 103.54.173.0/24 descr: Sarla Holdings Pvt.Ltd origin: AS133990 mnt-by: MAINT-IN-IRINN mnt-routes: MAINT-IN-PATHWAYSGROUP last-modified: 2015-11-26T06:53:36Z source: APNIC rpki-ov-state: valid