These entries are queried from radb.net using whois, you can try my project getting these.
:AS-NETROUTING as-set: AS-NETROUTING descr: Netrouting AS-set remarks: **************************************************** members: AS47869 members: AS6206 members: AS44259 members: AS63339 members: AS62349 members: AS-NETROUTING:AS-NETROUTING-EU members: AS-NETROUTING:AS-NETROUTING-US members: AS-NETROUTING:AS-NETROUTING-AP remarks: **************************************************** remarks: * Customers remarks: **************************************************** members: AS6977 members: AS57115 members: AS-MAXITEL members: AS-VXBITS members: AS44358 members: AS24149 members: AS38345 members: AS209829 members: AS207489 members: AS31624 members: AS14445 members: AS400421 members: AS40244 members: AS40153 members: AS207234 members: AS204957 members: AS-WMS-TRANSIT-AS members: AS30431 members: AS57974 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: NETROUTING-MNT created: 2009-08-22T16:23:41Z last-modified: 2024-03-12T13:53:02Z 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: ****************************