These entries are queried from radb.net using whois, you can try my project getting these.
:AS53739 route: 199.127.160.0/21 origin: AS53739 descr: PHX remarks: Proxy object for AS53739 mnt-by: MAINT-AS22773 changed: cciatl-nocengineer [at] cox.com 20220513 source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.242.20.0/23 origin: AS53739 descr: PHX remarks: Proxy object for AS53739 mnt-by: MAINT-AS22773 changed: cciatl-nocengineer [at] cox.com 20220513 source: RADB last-modified: 2023-11-13T16:11:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.105.196.0/23 origin: AS53739 descr: PHX remarks: Proxy object for AS53739 mnt-by: MAINT-AS22773 changed: cciatl-nocengineer [at] cox.com 20220513 source: RADB last-modified: 2023-11-13T16:11:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source