ESXi-CIM-BMC

$CimOpt = New-CimSessionOption -SkipCACheck -SkipCNCheck -SkipRevocationCheck -Encoding Utf8 -UseSsl
$CimSession = New-CimSession -Authentication Basic -Credential root -ComputerName $Hostname -port 443 -SessionOption $CimOpt
$BmcSettings = Get-CimInstance -CimSession $CimSession -ClassName CIM_IPProtocolEndpoint | ? Name -match 'Management Controller' | Select IPv4Address, IPv4DefaultGateway, IPv4Netmask, MACAddress