These entries are queried from radb.net using whois, you can try my project getting these.
:AS137149 route: 103.108.143.0/24 descr: N J INDIA INVEST_OM201802093505531 origin: AS137149 mnt-by: MAINT-AS18101 changed: ip.nnoc [at] relianceada.com 20180212 #13:09:31Z source: RADB last-modified: 2023-11-13T15:53:18Z rpki-ov-state: valid route: 103.108.143.0/24 descr: Nj Indiainvest Pvt. Ltd origin: AS137149 mnt-by: MAINT-IN-NJINDIA mnt-routes: MAINT-IN-NJINDIA last-modified: 2022-04-19T12:57:53Z source: APNIC rpki-ov-state: valid route6: 2001:df3:82c0::/48 descr: Telstra International Limited origin: AS137149 mnt-by: MAINT-AS4637 changed: irr [at] team.telstra.com 20240424 source: RADB notify: irr [at] team.telstra.com tech-c: TI54-AP last-modified: 2024-04-24T07:13:06Z rpki-ov-state: valid route6: 2001:df3:82c0::/48 descr: Route Object country: IN origin: AS137149 mnt-by: MAINT-IN-NJINDIA last-modified: 2024-04-19T06:37:09Z source: APNIC rpki-ov-state: valid