These entries are queried from radb.net using whois, you can try my project getting these.
:AS14990 route: 12.9.136.0/22 origin: AS14990 descr: PHX remarks: Proxy object for AS14990 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: 12.9.136.0/24 origin: AS14990 descr: PHX remarks: Proxy object for AS14990 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: 12.9.137.0/24 origin: AS14990 descr: PHX remarks: Proxy object for AS14990 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: 12.9.138.0/24 origin: AS14990 descr: PHX remarks: Proxy object for AS14990 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: 12.9.139.0/24 origin: AS14990 descr: PHX remarks: Proxy object for AS14990 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: 206.221.112.0/23 origin: AS14990 descr: PHX remarks: Proxy object for AS14990 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: 206.221.114.0/24 origin: AS14990 descr: V4-PUB-CB-ANNOUNCED remarks: Change Ticket ECR000001833363 mnt-by: MAINT-AS22773 changed: cciatl-nocengineer [at] cox.com source: RADB last-modified: 2024-04-05T07:16:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source