These entries are queried from radb.net using whois, you can try my project getting these.
:AS398736 route: 174.68.1.0/24 origin: AS398736 descr: Proxy-Route object AS398736 mnt-by: MAINT-AS396998 changed: services [at] path.net 20220207 #17:16:07Z source: RADB last-modified: 2023-11-13T16:09:11Z rpki-ov-state: valid route6: 2604:f340:1::/48 origin: AS398736 descr: PHX remarks: Proxy object for AS398736 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 route6: 2604:f340:2::/48 origin: AS398736 descr: MRFD remarks: Proxy object for AS398736 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 route6: 2604:f340:3::/48 origin: AS398736 descr: PHX remarks: Proxy object for AS398736 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