These entries are queried from radb.net using whois, you can try my project getting these.
:AS133659 route: 103.42.188.0/24 descr: NTPC Limited origin: AS133659 mnt-by: MAINT-IN-NTPC mnt-routes: MAINT-IN-NTPC last-modified: 2017-07-10T11:34:10Z source: APNIC rpki-ov-state: valid route: 103.81.160.0/24 descr: Route for NTPC 103.81.160.0/24 country: IN mnt-by: MAINT-IN-NTPC mnt-routes: MAINT-IN-NTPC mnt-lower: MAINT-IN-NTPC origin: AS133659 last-modified: 2020-10-06T07:35:28Z source: APNIC rpki-ov-state: valid route6: 2001:df1:3c00::/48 descr: Route for NTPC mnt-by: MAINT-IN-NTPC mnt-routes: MAINT-IN-NTPC mnt-lower: MAINT-IN-NTPC country: IN origin: AS133659 last-modified: 2020-10-06T07:37:54Z source: APNIC rpki-ov-state: valid