These entries are queried from radb.net using whois, you can try my project getting these.
:AS201304 route: 212.18.248.0/24 descr: Proxy Registration / Customer Route origin: AS201304 mnt-by: MAINT-AS36236 changed: ops [at] netactuate.com 20210715 source: RADB last-modified: 2023-11-13T16:07:53Z rpki-ov-state: valid route: 212.18.248.0/24 descr: CentralNic Ltd descr: CentralNic Anycast-E IPv4 Route org: ORG-CL213-RIPE origin: AS201304 notify: ops [at] centralnic.com mnt-by: CENTRALNIC-MNT created: 2014-12-01T15:22:00Z last-modified: 2014-12-01T15:22:00Z 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: 2a04:2b00:13ee::/48 descr: CentralNic Ltd descr: CentralNic Anycast-E IPv6 Route org: ORG-CL213-RIPE origin: AS201304 notify: ops [at] centralnic.com mnt-by: CENTRALNIC-MNT created: 2014-12-01T15:25:21Z last-modified: 2014-12-01T15:25:21Z 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: 2a04:2b00:13ee::/48 descr: PNAP-SIN001 vox-routes origin: AS201304 mnt-by: MAINT-AS1828 changed: hkhidir [at] internap.com 20141210 source: RADB last-modified: 2023-11-13T16:14:35Z rpki-ov-state: valid