These entries are queried from radb.net using whois, you can try my project getting these.
:AS-VODAFONE-CZ as-set: AS-VODAFONE-CZ descr: Vodafone Czech Republic a.s. members: AS-VODAFONE-CZ-B2B members: AS16019 members: AS21435 members: AS29583 members: AS31461 members: AS56891 members: AS199806 members: AS200806 members: AS204394 members: AS204567 members: AS207886 members: AS208659 members: AS209055 admin-c: DUMY-RIPE tech-c: DUMY-RIPE mnt-by: VFCZ-MNT created: 2009-09-01T15:46:49Z last-modified: 2023-12-06T10:43:37Z 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: ****************************