These entries are queried from radb.net using whois, you can try my project getting these.
:AS59524 route: 91.242.160.0/24 descr: KPN-IAAS origin: AS59524 mnt-by: KPN-MNT notify: kpn-ip-office [at] kpn.com created: 2013-11-15T11:12:01Z last-modified: 2013-11-15T11:12:01Z 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 route: 145.128.0.0/18 descr: KPN IAAS origin: AS59524 notify: kpn-ip-office [at] kpn.com mnt-by: KPN-MNT created: 2014-06-30T07:13:25Z last-modified: 2014-06-30T07:13:25Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 145.128.0.0/20 descr: KPN IAAS origin: AS59524 notify: kpn-ip-office [at] kpn.com mnt-by: KPN-MNT created: 2019-02-08T10:14:04Z last-modified: 2019-02-08T10:14:04Z 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: 145.128.16.0/20 descr: KPN IAAS origin: AS59524 notify: kpn-ip-office [at] kpn.com mnt-by: KPN-MNT created: 2019-02-08T10:14:04Z last-modified: 2019-02-08T10:14:04Z 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: 145.128.27.0/24 descr: KPN IAAS origin: AS59524 notify: kpn-ip-office [at] kpn.com mnt-by: KPN-MNT created: 2019-09-13T09:28:46Z last-modified: 2019-09-13T09:28:46Z 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: 145.128.32.0/19 descr: KPN IAAS origin: AS59524 notify: kpn-ip-office [at] kpn.com mnt-by: KPN-MNT created: 2019-02-08T10:14:05Z last-modified: 2019-02-08T10:14:05Z 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: 145.128.64.0/20 descr: KPN-IAAS origin: AS59524 notify: kpn-ip-office [at] kpn.com notify: netwerken-ace-bhn [at] kpn.com mnt-by: KPN-MNT created: 2016-01-20T14:36:40Z last-modified: 2016-01-20T14:37:57Z 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: 145.128.80.0/20 descr: KPN-IAAS notify: kpn-ip-office [at] kpn.com notify: netwerken-ace-bhn [at] kpn.com origin: AS59524 mnt-by: KPN-MNT created: 2017-07-21T14:16:25Z last-modified: 2017-07-21T14:16:25Z 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: 145.128.96.0/19 descr: KPN IAAS origin: AS59524 notify: kpn-ip-office [at] kpn.com mnt-by: KPN-MNT created: 2019-02-08T10:23:34Z last-modified: 2019-02-08T10:23:34Z 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: 2001:67c:104c::/48 descr: KPN-IAAS origin: AS59524 mnt-by: KPN-MNT notify: kpn-ip-office [at] kpn.com created: 2013-11-15T11:15:11Z last-modified: 2013-11-15T11:15:11Z 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