These entries are queried from radb.net using whois, you can try my project getting these.
:AS134052 route: 103.56.252.0/22 descr: Route for 103.56.252.0/22 origin: AS134052 mnt-by: MAINT-IN-IRINN mnt-routes: MAINT-IN-LANCEFIBERNET last-modified: 2015-10-26T10:06:01Z source: APNIC rpki-ov-state: valid route: 103.56.252.0/23 descr: LANCEFIBERNET PVT LTD origin: AS134052 mnt-by: MAINT-IN-LANCEFIBERNET last-modified: 2023-09-11T06:42:39Z source: APNIC rpki-ov-state: valid route: 103.56.252.0/24 descr: Route for 103.56.252.0/24 origin: AS134052 mnt-by: MAINT-IN-IRINN mnt-routes: MAINT-IN-LANCEFIBERNET last-modified: 2016-02-26T08:27:45Z source: APNIC rpki-ov-state: valid route: 103.56.253.0/24 descr: Route for 103.56.252.0/24 origin: AS134052 mnt-by: MAINT-IN-IRINN mnt-routes: MAINT-IN-LANCEFIBERNET last-modified: 2016-02-26T08:28:05Z source: APNIC rpki-ov-state: valid route: 103.56.254.0/23 descr: LANCEFIBERNET PVT LTD origin: AS134052 mnt-by: MAINT-IN-LANCEFIBERNET last-modified: 2023-09-11T06:42:52Z source: APNIC rpki-ov-state: valid route: 103.56.254.0/24 descr: Route for 103.56.252.0/24 origin: AS134052 mnt-by: MAINT-IN-IRINN mnt-routes: MAINT-IN-LANCEFIBERNET last-modified: 2016-02-26T08:28:15Z source: APNIC rpki-ov-state: valid route: 103.56.255.0/24 descr: Route for 103.56.252.0/24 origin: AS134052 mnt-by: MAINT-IN-IRINN mnt-routes: MAINT-IN-LANCEFIBERNET last-modified: 2016-02-26T08:28:28Z source: APNIC rpki-ov-state: valid