These entries are queried from radb.net using whois, you can try my project getting these.
:AS-TEAMVIEWER as-set: AS-TEAMVIEWER descr: TeamViewer GmbH members: AS43304 members: AS212710 members: AS208175 members: AS208187 mbrs-by-ref: de-teamviewer-1-mnt tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: de-teamviewer-1-mnt created: 2017-02-15T10:52:51Z last-modified: 2023-09-12T13:06:56Z 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: ****************************