These entries are queried from radb.net using whois, you can try my project getting these.
:AS272014 route: 138.0.120.0/23 descr: PROXY FOR OUR CUSTOMER CONE origin: AS272014 mnt-by: MAINT-AS263237 changed: nocixmetro [at] powerhost.cl 20220913 source: RADB last-modified: 2023-11-13T16:12:29Z rpki-ov-state: valid route: 138.0.120.0/24 origin: AS272014 descr: ITX-CUSTOMER-GTD mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20211215 #15:49:25Z source: RADB last-modified: 2023-11-13T16:09:03Z rpki-ov-state: valid route: 138.0.121.0/24 origin: AS272014 descr: ITX-CUSTOMER-GTD mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20211215 #15:50:23Z source: RADB last-modified: 2023-11-13T16:09:03Z rpki-ov-state: valid