These entries are queried from radb.net using whois, you can try my project getting these.
:AS393252 route: 198.27.0.0/24 descr: Proxy-registered route object origin: AS393252 remarks: This route object is for a CyrusOne customer route remarks: which is being exported under this origin AS. remarks: remarks: Please contact hostmaster [at] cyrusone.com if you have any remarks: questions regarding this object. mnt-by: CBTS-MNT changed: hostmaster [at] cyrusone.com 20140611 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.27.0.0/24 descr: CyrusOne - Proxy for Customer origin: AS393252 notify: hostmaster [at] cyrusone.com mnt-by: MAINT-AS62 changed: hostmaster [at] cyrusone.com 20141012 source: RADB last-modified: 2023-11-13T15:46:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:79:4000::/48 descr: CyrusOne - Proxy Customer Route origin: AS393252 admin-c: Hostmaster tech-c: Hostmaster notify: hostmaster [at] cyrusone.com mnt-by: MAINT-AS62 changed: hostmaster [at] cyrusone.com 20160922 source: RADB last-modified: 2023-11-13T15:49:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:12b:1001::/48 descr: CyrusOne origin: AS393252 admin-c: Hostmaster tech-c: Hostmaster notify: hostmaster [at] cyrusone.com mnt-by: MAINT-AS62 changed: hostmaster [at] cyrusone.com 20161103 source: RADB last-modified: 2023-11-13T15:49:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source