These entries are queried from radb.net using whois, you can try my project getting these.
:AS62273 route: 147.161.3.0/24 origin: AS62273 mnt-by: IPXO-MNT created: 2024-04-19T11:55:55Z last-modified: 2024-04-19T11:55:55Z 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: 147.161.3.0/24 origin: AS62273 mnt-by: MAINT-AS834 descr: autogen changed: support [at] ipxo.com source: radb last-modified: 2024-04-19T12:25:50Z rpki-ov-state: valid