These entries are queried from radb.net using whois, you can try my project getting these.
:AS58902 route: 103.250.168.0/22 descr: Impetus Infotech India Pvt Ltd origin: AS58902 mnt-by: MAINT-IN-IRINN mnt-routes: MAINT-IN-IRINN last-modified: 2020-10-13T10:28:45Z source: APNIC rpki-ov-state: valid route: 103.250.168.0/23 descr: Impetus Infotech India Pvt Ltd origin: AS58902 mnt-by: MAINT-IN-IRINN mnt-routes: MAINT-IN-IRINN last-modified: 2020-10-13T10:29:20Z source: APNIC rpki-ov-state: valid route: 103.250.168.0/24 descr: Impetus Infotech India Pvt Ltd - Route object origin: AS58902 country: IN remarks: send spam and abuse report to ******** mnt-routes: MAINT-IN-IRINN mnt-by: MAINT-IN-IRINN last-modified: 2014-06-10T07:04:57Z source: APNIC rpki-ov-state: valid route: 103.250.169.0/24 descr: Impetus Infotech India Pvt Ltd origin: AS58902 country: IN mnt-lower: MAINT-IN-IRINN mnt-routes: MAINT-IN-IRINN mnt-by: MAINT-IN-IRINN last-modified: 2014-06-13T12:35:57Z source: APNIC rpki-ov-state: valid route: 103.250.170.0/23 descr: Impetus Infotech India Pvt Ltd origin: AS58902 mnt-by: MAINT-IN-IRINN mnt-routes: MAINT-IN-IRINN last-modified: 2020-10-13T10:29:38Z source: APNIC rpki-ov-state: valid route: 103.250.170.0/24 descr: Impetus Infotech India Pvt Ltd - Route object origin: AS58902 country: IN remarks: send spam and abuse report to ******** mnt-by: MAINT-IN-IRINN last-modified: 2015-10-05T11:58:17Z source: APNIC rpki-ov-state: valid route: 103.250.171.0/24 descr: Impetus Infotech India Pvt Ltd - Route object origin: AS58902 country: IN remarks: send spam and abuse report to ******** mnt-by: MAINT-IN-IRINN last-modified: 2015-10-05T11:58:26Z source: APNIC rpki-ov-state: valid