External networks, ranges 192.168.128.x - 192.168.191.x
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 - 192.168.128.0/24     KaaS VMs (reserved, unused)
 - 192.168.129.0/24     ADEI VMs (reserved, unused)
 - 192.168.130.0/24     EPICS VMs (managed by Jalal)
 
 
 