These entries are queried from radb.net using whois, you can try my project getting these.
:AS43515 route: 64.15.112.0/20 origin: AS43515 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20230208 source: RADB last-modified: 2023-11-13T16:14:55Z rpki-ov-state: valid route: 104.237.160.0/19 origin: AS43515 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20230208 source: RADB last-modified: 2023-11-13T16:14:55Z rpki-ov-state: valid route: 208.65.152.0/22 origin: AS43515 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20230208 source: RADB last-modified: 2023-11-13T16:14:55Z rpki-ov-state: valid route: 208.117.224.0/19 origin: AS43515 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20230208 source: RADB last-modified: 2023-11-13T16:14:55Z rpki-ov-state: valid route: 216.239.60.0/24 origin: AS43515 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20230208 source: RADB last-modified: 2023-11-13T16:14:55Z rpki-ov-state: valid route6: 2001:4860:4805::/48 origin: AS43515 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20230208 source: RADB last-modified: 2023-11-13T16:14:55Z rpki-ov-state: valid route6: 2620:11a:a000::/40 origin: AS43515 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20230208 source: RADB last-modified: 2023-11-13T16:14:55Z rpki-ov-state: valid