These entries are queried from radb.net using whois, you can try my project getting these.
:AS133256 route: 103.61.230.0/24 descr: TAMILNADU GENERATION AND DISTRIBUTION CORPORATION LIMITED origin: AS133256 remarks: send spam and abuse report to ******** mnt-routes: MAINT-IN-TANGEDCO mnt-by: MAINT-IN-TANGEDCO country: IN last-modified: 2015-08-26T05:36:53Z source: APNIC rpki-ov-state: valid route: 103.234.149.0/24 descr: TAMILNADU_GENERATION-IN origin: AS133256 mnt-by: MAINT-AS18101 changed: ip.nnoc [at] relianceada.com 20140707 #14:16:13Z source: RADB last-modified: 2023-11-13T15:47:45Z rpki-ov-state: valid route: 103.234.149.0/24 descr: TAMILNADU GENERATION AND DISTRIBUTION CORPORATION LIMITED origin: AS133256 remarks: send spam and abuse report to ******** mnt-routes: MAINT-IN-TANGEDCO mnt-by: MAINT-IN-TANGEDCO country: IN last-modified: 2014-07-08T06:01:10Z source: APNIC rpki-ov-state: valid