These entries are queried from radb.net using whois, you can try my project getting these.
:AS-GOOGLE-IT as-set: AS-GOOGLE-IT descr: GOOGLE-IT members: AS36384 members: AS36385 members: AS41264 members: AS45566 admin-c: DUMY-RIPE tech-c: DUMY-RIPE mnt-by: MNT-GOOG-CORP created: 2015-06-24T09:39:15Z last-modified: 2017-03-10T15:15:08Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** as-set: AS-GOOGLE-IT descr: GOOGLE-IT members: AS36384 members: AS36385 members: AS41264 members: AS45566 admin-c: Google Corp Network Operation tech-c: Google Corp Network Operation notify: ir-contact-netops-corp [at] google.com mnt-by: MAINT-AS36385 changed: gleb [at] google.com 20170310 source: RADB last-modified: 2023-11-13T15:50:53Z