These entries are queried from radb.net using whois, you can try my project getting these.
:AS-CERNEXT as-set: AS-CERNEXT descr: CERN and transit partners members: AS513 # CERN members: AS1297 # CERN members: AS12654 # RIPE RIS members: AS20940 # Akamai members: AS21449 # DGSIN members: AS25152 # K-Root DNS members: AS28810 # WHO members: AS48751 # UNOG members: AS61339 # CERN LHCONE LG admin-c: DUMY-RIPE tech-c: DUMY-RIPE notify: extip [at] cern.ch mnt-by: CERN-MNT created: 1970-01-01T00:00:00Z last-modified: 2021-11-30T16:20:37Z 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: ****************************