These entries are queried from radb.net using whois, you can try my project getting these.
:AS271989 route: 38.56.20.0/23 origin: AS271989 descr: Route Registered for Cogent Communications Customer - WALCOM ES LA RED WMPP SRL geoidx: DO mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20230706 #12:37:43Z source: RADB last-modified: 2023-11-13T16:17:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.56.20.0/24 origin: AS271989 descr: OSNET Wireless Transit Customers mnt-by: MAINT-AS21559 changed: emorillo [at] fiberx.net 20240314 # 1522Z source: RADB last-modified: 2024-03-14T15:22:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.56.21.0/24 origin: AS271989 descr: OSNET Wireless Transit Customers mnt-by: MAINT-AS21559 changed: emorillo [at] fiberx.net 20240314 # 1523Z source: RADB last-modified: 2024-03-14T15:23:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2803:6110::/32 origin: AS271989 descr: OSNET Wireless Transit Customers mnt-by: MAINT-AS21559 changed: emorillo [at] fiberx.net 20240314 # 1518Z source: RADB last-modified: 2024-03-14T15:18:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source