These entries are queried from radb.net using whois, you can try my project getting these.
:AS-SNIJDERS as-set: AS-SNIJDERS descr: Job Snijders tech-c: DUMY-RIPE admin-c: DUMY-RIPE members: AS15562:AS-SNIJDERS # Job mnt-by: SNIJDERS-MNT notify: job [at] instituut.net created: 2010-01-19T19:11:23Z last-modified: 2018-01-16T17:55:13Z 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: ****************************