These entries are queried from radb.net using whois, you can try my project getting these.
:AS-SPACEDUMP as-set: AS-SPACEDUMP descr: SpaceDump IT AB remarks: $Id: AS-SPACEDUMP,v 1.20 2020/01/15 06:14:30 anders Exp $ members: AS112 members: AS13308 members: AS21227 members: AS30880 members: AS33886 members: AS44852 members: AS48767 members: AS56848 members: AS199543 members: AS-RESILANS members: AS-ROBTEX admin-c: DUMY-RIPE tech-c: DUMY-RIPE mnt-by: MNT-SPACEDUMP created: 2004-03-01T08:58:29Z last-modified: 2020-01-15T06:16:11Z 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: ****************************