These entries are queried from radb.net using whois, you can try my project getting these.
:AS135351 route: 103.214.208.0/22 origin: AS135351 descr: SMSGlobal Pty Ltd 96 - 98 Market Street mnt-by: MAINT-SMSGLOBAL-AU last-modified: 2020-11-26T12:33:41Z source: APNIC rpki-ov-state: valid route: 103.214.208.0/23 origin: AS135351 descr: SMSGlobal Pty Ltd 96 - 98 Market Street mnt-by: MAINT-SMSGLOBAL-AU last-modified: 2021-03-17T17:15:38Z source: APNIC rpki-ov-state: valid route: 103.214.208.0/24 origin: AS135351 descr: SMSGlobal Pty Ltd 96 - 98 Market Street mnt-by: MAINT-SMSGLOBAL-AU last-modified: 2021-03-17T17:15:38Z source: APNIC rpki-ov-state: valid route: 103.214.209.0/24 origin: AS135351 descr: SMSGlobal Pty Ltd 96 - 98 Market Street mnt-by: MAINT-SMSGLOBAL-AU last-modified: 2021-03-17T17:15:38Z source: APNIC rpki-ov-state: valid route: 103.214.210.0/23 origin: AS135351 descr: SMSGlobal Pty Ltd 96 - 98 Market Street mnt-by: MAINT-SMSGLOBAL-AU last-modified: 2021-03-17T17:15:38Z source: APNIC rpki-ov-state: valid route: 103.214.210.0/24 origin: AS135351 descr: SMSGlobal Pty Ltd 96 - 98 Market Street mnt-by: MAINT-SMSGLOBAL-AU last-modified: 2021-03-17T17:15:39Z source: APNIC rpki-ov-state: valid route: 103.214.211.0/24 origin: AS135351 descr: SMSGlobal Pty Ltd 96 - 98 Market Street mnt-by: MAINT-SMSGLOBAL-AU last-modified: 2021-03-17T17:15:39Z source: APNIC rpki-ov-state: valid route: 144.48.152.0/22 origin: AS135351 descr: SMSGlobal Pty Ltd 96 - 98 Market Street mnt-by: MAINT-SMSGLOBAL-AU last-modified: 2021-03-17T17:24:04Z source: APNIC rpki-ov-state: valid route: 144.48.152.0/23 origin: AS135351 descr: SMSGlobal Pty Ltd 96 - 98 Market Street mnt-by: MAINT-SMSGLOBAL-AU last-modified: 2021-03-17T17:24:06Z source: APNIC rpki-ov-state: valid route: 144.48.152.0/24 origin: AS135351 descr: SMSGlobal Pty Ltd 96 - 98 Market Street mnt-by: MAINT-SMSGLOBAL-AU last-modified: 2021-03-17T17:24:07Z source: APNIC rpki-ov-state: valid route: 144.48.153.0/24 origin: AS135351 descr: SMSGlobal Pty Ltd 96 - 98 Market Street mnt-by: MAINT-SMSGLOBAL-AU last-modified: 2021-03-17T17:24:09Z source: APNIC rpki-ov-state: valid route: 144.48.154.0/23 origin: AS135351 descr: SMSGlobal Pty Ltd 96 - 98 Market Street mnt-by: MAINT-SMSGLOBAL-AU last-modified: 2021-03-17T17:24:10Z source: APNIC rpki-ov-state: valid route: 144.48.154.0/24 origin: AS135351 descr: SMSGlobal Pty Ltd 96 - 98 Market Street mnt-by: MAINT-SMSGLOBAL-AU last-modified: 2021-03-17T17:24:12Z source: APNIC rpki-ov-state: valid route: 144.48.155.0/24 origin: AS135351 descr: SMSGlobal Pty Ltd 96 - 98 Market Street mnt-by: MAINT-SMSGLOBAL-AU last-modified: 2021-03-17T17:24:13Z source: APNIC rpki-ov-state: valid