These entries are queried from radb.net using whois, you can try my project getting these.
:AS20915 route: 87.254.0.0/19 descr: 100PERCENTIT origin: AS20915 mnt-by: UK100PERCENTIT-MNT mnt-lower: UK100PERCENTIT-MNT mnt-lower: IPXO-MNT mnt-routes: UK100PERCENTIT-MNT mnt-routes: IPXO-MNT created: 2006-02-15T13:21:38Z last-modified: 2022-09-16T19:08:47Z 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: 217.25.0.0/20 descr: 100PERCENTIT origin: AS20915 notify: david.blundell [at] 100percentit.com mnt-by: UK100PERCENTIT-MNT mnt-lower: UK100PERCENTIT-MNT mnt-routes: UK100PERCENTIT-MNT created: 2002-08-22T14:15:01Z last-modified: 2002-08-22T14:15:01Z 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 route6: 2a00:eac0::/32 descr: 100 Percent IT origin: AS20915 notify: noc [at] 100percentit.com mnt-lower: UK100PERCENTIT-MNT mnt-routes: UK100PERCENTIT-MNT mnt-by: UK100PERCENTIT-MNT created: 2014-07-18T12:55:29Z last-modified: 2014-07-18T12:55:29Z 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