These entries are queried from radb.net using whois, you can try my project getting these.
:AS35176 route: 8.25.214.0/24 descr: Proxy registration for Search Tech origin: AS35176 mnt-by: MAINT-AS8100 changed: kate [at] quadranet.com 20160307 source: RADB last-modified: 2023-11-13T15:48:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 185.252.21.0/24 origin: AS35176 mnt-by: MNT-NETPOINT-SERVICES created: 2021-02-20T10:33:30Z last-modified: 2021-02-20T10:33:30Z 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: 216.151.153.0/24 descr: creating route origin: AS35176 mnt-by: REVNETINC-MNT changed: will.mcbryde [at] level3.com 20070502 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.151.153.0/24 descr: Proxy registration for Search Tech origin: AS35176 mnt-by: MAINT-AS8100 changed: kate [at] quadranet.com 20160307 source: RADB last-modified: 2023-11-13T15:48:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source