Param([string]$computername=$env:computername)

[regex]$ip4="\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}"

get-wmiobject win32_networkadapterconfiguration -filter "IPEnabled='True'" -computer $computername | 
 Select DNSHostname,Index,Description,@{Name="IPv4";Expression={ $_.IPAddress -match $ip4}},
 @{Name="IPv6";Expression={ $_.IPAddress -notmatch $ip4}},MACAddress