These entries are queried from radb.net using whois, you can try my project getting these.
:AS49491 route: 31.148.134.0/23 descr: Ternet Route origin: AS49491 mnt-by: MNT-TERNET created: 2017-07-04T13:22:57Z last-modified: 2017-07-04T13:22:57Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route: 31.148.150.0/23 origin: AS49491 mnt-by: MNT-TERNET created: 2020-08-12T10:02:48Z last-modified: 2020-08-12T10:02:48Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route: 193.169.80.0/23 descr: Ternet Route origin: AS49491 mnt-by: MNT-TERNET created: 2009-06-26T17:21:54Z last-modified: 2017-07-04T13:22:57Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid