These entries are queried from radb.net using whois, you can try my project getting these.
:AS-SIGNAL-LTD as-set: AS-SIGNAL-LTD descr: Signal LTD as-set members: AS49723 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: Signal-net-mnt created: 2011-11-08T13:16:08Z last-modified: 2011-11-08T13:16:08Z 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: ****************************