These entries are queried from radb.net using whois, you can try my project getting these.
:AS139190 route: 34.101.0.0/16 origin: AS139190 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: 2404:f340:4000::/34 origin: AS139190 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