These entries are queried from radb.net using whois, you can try my project getting these.
:AS394699 route: 64.18.0.0/21 origin: AS394699 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20210930 # 2021-09-30 06:04:02 PDT source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.18.0.0/22 origin: AS394699 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20210930 # 2021-09-30 06:04:02 PDT source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.18.2.0/23 origin: AS394699 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20210930 # 2021-09-30 06:04:02 PDT source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.18.2.0/24 origin: AS394699 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20210930 # 2021-09-30 06:04:02 PDT source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.18.3.0/24 origin: AS394699 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20210930 # 2021-09-30 06:04:02 PDT source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.18.4.0/22 origin: AS394699 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20210930 # 2021-09-30 06:04:02 PDT source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.18.4.0/23 origin: AS394699 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20210930 # 2021-09-30 06:04:02 PDT source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.18.4.0/24 origin: AS394699 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20210930 # 2021-09-30 06:04:02 PDT source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.18.5.0/24 origin: AS394699 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20210930 # 2021-09-30 06:04:02 PDT source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.18.6.0/23 origin: AS394699 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20210930 # 2021-09-30 06:04:02 PDT source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.18.6.0/24 origin: AS394699 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20210930 # 2021-09-30 06:04:02 PDT source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.18.7.0/24 origin: AS394699 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20210930 # 2021-09-30 06:04:02 PDT source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.18.8.0/21 origin: AS394699 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20210930 # 2021-09-30 06:04:02 PDT source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.18.8.0/23 origin: AS394699 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20210930 # 2021-09-30 06:04:02 PDT source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.18.8.0/24 origin: AS394699 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20210930 # 2021-09-30 06:04:02 PDT source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.18.9.0/24 origin: AS394699 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20210930 # 2021-09-30 06:04:02 PDT source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.18.10.0/23 origin: AS394699 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20210930 # 2021-09-30 06:04:02 PDT source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.18.10.0/24 origin: AS394699 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20210930 # 2021-09-30 06:04:02 PDT source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.18.11.0/24 origin: AS394699 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20210930 # 2021-09-30 06:04:02 PDT source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.18.12.0/22 origin: AS394699 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20210930 # 2021-09-30 06:04:02 PDT source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.18.12.0/23 origin: AS394699 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20210930 # 2021-09-30 06:04:02 PDT source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.18.12.0/24 origin: AS394699 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20210930 # 2021-09-30 06:04:02 PDT source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.18.13.0/24 origin: AS394699 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20210930 # 2021-09-30 06:04:02 PDT source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.18.14.0/23 origin: AS394699 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20210930 # 2021-09-30 06:04:02 PDT source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.18.14.0/24 origin: AS394699 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20210930 # 2021-09-30 06:04:02 PDT source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.18.15.0/24 origin: AS394699 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS15169 changed: radb-contact [at] google.com 20210930 # 2021-09-30 06:04:02 PDT source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source