These entries are queried from radb.net using whois, you can try my project getting these.
:AS135413 route: 103.132.248.0/22 origin: AS135413 descr: SSTN Technology mnt-by: MAINT-LIGHTWAY-BD last-modified: 2023-01-08T09:00:55Z country: BD mnt-routes: MAINT-LIGHTWAY-BD mnt-lower: MAINT-LIGHTWAY-BD source: APNIC rpki-ov-state: valid route: 103.132.251.0/24 descr: SSTN Technology country: BD mnt-routes: MAINT-LIGHTWAY-BD mnt-lower: MAINT-LIGHTWAY-BD origin: AS135413 mnt-by: MAINT-LIGHTWAY-BD last-modified: 2023-08-22T08:54:20Z source: APNIC rpki-ov-state: valid route: 103.139.8.0/23 descr: ICC Communication Ltd. origin: AS135413 mnt-by: MAINT-SSTNTECHNOLOGY-BD country: BD mnt-routes: MAINT-SSTNTECHNOLOGY-BD mnt-lower: MAINT-SSTNTECHNOLOGY-BD last-modified: 2019-07-28T21:13:48Z source: APNIC rpki-ov-state: valid route: 103.139.8.0/24 descr: SSTN Technology origin: AS135413 mnt-by: MAINT-SSTNTECHNOLOGY-BD country: BD mnt-routes: MAINT-SSTNTECHNOLOGY-BD mnt-lower: MAINT-SSTNTECHNOLOGY-BD last-modified: 2019-05-30T04:43:18Z source: APNIC rpki-ov-state: valid route: 103.216.134.0/24 descr: HKBN(customer route) origin: AS135413 mnt-by: MAINT-AS9269 changed: nocsn [at] hkbn.com.hk 20160518 source: RADB last-modified: 2023-11-13T15:49:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:df0:6180::/48 descr: SSTN Technology origin: AS135413 mnt-by: MAINT-SSTNTECHNOLOGY-BD country: BD mnt-routes: MAINT-SSTNTECHNOLOGY-BD mnt-lower: MAINT-SSTNTECHNOLOGY-BD last-modified: 2019-05-30T04:44:21Z source: APNIC rpki-ov-state: valid