These entries are queried from radb.net using whois, you can try my project getting these.
:AS45566 route: 89.207.228.0/24 origin: AS45566 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS36385 changed: radb-contact [at] google.com 20200408 # 2020-04-09 00:42:14 PDT source: RADB last-modified: 2023-11-13T16:00:19Z rpki-ov-state: valid route: 89.207.231.0/24 descr: Google origin: AS45566 notify: radb-contact [at] google.com mnt-by: MAINT-AS36385 changed: radb-contact [at] google.com 20180716 source: RADB last-modified: 2023-11-13T15:54:03Z rpki-ov-state: valid route: 104.135.253.0/24 origin: AS45566 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS36385 changed: radb-contact [at] google.com 20210602 # 2021-06-02 06:04:44 PDT source: RADB last-modified: 2023-11-13T16:05:48Z rpki-ov-state: valid route: 104.135.254.0/24 origin: AS45566 descr: Google notify: radb-contact [at] google.com mnt-by: MAINT-AS36385 changed: radb-contact [at] google.com 20200408 # 2020-04-09 00:42:14 PDT source: RADB last-modified: 2023-11-13T16:00:19Z rpki-ov-state: valid route: 185.25.28.0/23 descr: Google origin: AS45566 notify: radb-contact [at] google.com mnt-by: MAINT-AS36385 changed: radb-contact [at] google.com 20170516 source: RADB last-modified: 2023-11-13T15:51:11Z rpki-ov-state: valid route6: 2401:fa00::/32 origin: AS45566 descr: Google Singapore Pte. Ltd. 8 Marina Boulevard, #05-02 Marina Bay Financial Centre mnt-by: MAINT-GSPL-SG last-modified: 2023-08-21T13:58:13Z source: APNIC rpki-ov-state: valid route6: 2401:fa00::/32 descr: Google origin: AS45566 notify: radb-contact [at] google.com mnt-by: MAINT-AS36385 changed: radb-contact [at] google.com 20170516 source: RADB last-modified: 2023-11-13T15:51:11Z rpki-ov-state: valid route6: 2620:0:1000::/40 descr: Google origin: AS45566 notify: radb-contact [at] google.com mnt-by: MAINT-AS36385 changed: radb-contact [at] google.com 20170516 source: RADB last-modified: 2023-11-13T15:51:11Z rpki-ov-state: valid route6: 2620:15c::/36 descr: Google origin: AS45566 notify: radb-contact [at] google.com mnt-by: MAINT-AS36385 changed: radb-contact [at] google.com 20170516 source: RADB last-modified: 2023-11-13T15:51:11Z rpki-ov-state: valid route6: 2a00:79e0::/32 descr: Google origin: AS45566 notify: radb-contact [at] google.com mnt-by: MAINT-AS36385 changed: radb-contact [at] google.com 20170516 source: RADB last-modified: 2023-11-13T15:51:11Z rpki-ov-state: valid