These entries are queried from radb.net using whois, you can try my project getting these.
:AS44975 route: 31.148.1.0/24 origin: AS44975 mnt-by: RIPE-DB-MNT mnt-by: MNT-BLIZCO created: 2020-09-30T14:57:24Z last-modified: 2020-09-30T14:57:24Z 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: 31.148.174.0/24 origin: AS44975 mnt-by: RIPE-DB-MNT mnt-by: MNT-BLIZCO created: 2022-05-26T13:45:10Z last-modified: 2022-05-26T13:45:10Z 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: 31.148.204.0/24 origin: AS44975 mnt-by: RIPE-DB-MNT mnt-by: MNT-BLIZCO created: 2024-04-02T11:46:02Z last-modified: 2024-04-02T11:46:02Z 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