ip classes

IP address classes

Class	1st Octet Decimal Range	1st Octet High Order Bits	Network/Host ID (N=Network, H=Host)	Default Subnet Mask	Number of Networks	Hosts per Network (Usable Addresses)
A	1 – 126*	0	N.H.H.H	255.0.0.0	126 (27 – 2)	16,777,214 (224 – 2)
B	128 – 191	10	N.N.H.H	255.255.0.0	16,382 (214 – 2)	65,534 (216 – 2)
C	192 – 223	110	N.N.N.H	255.255.255.0	2,097,150 (221 – 2)	254 (28 – 2)
D	224 – 239	1110	Reserved for Multicasting
E	240 – 254	1111	Experimental; used for research

Note: Class A addresses 127.0.0.0 to 127.255.255.255 cannot be used and is reserved for loopback and diagnostic functions.

Private IP Addresses

Class	Private Networks	Subnet Mask	Address Range
A	10.0.0.0	255.0.0.0	10.0.0.0 - 10.255.255.255
B	172.16.0.0 - 172.31.0.0	255.240.0.0	172.16.0.0 - 172.31.255.255
C	192.168.0.0	255.255.0.0	192.168.0.0 - 192.168.255.255

Managing Azure AD via PowerShell

Get-Module MSOnline

Get-Command -Module MSOnline

Connect-MsolService

---------------------------------------------------

Get-MsolDomain

Get-MsolUser

Get-MsolUser -SearchString "USER"

Get-MsolUser -SearchString "USER" | Select-Object *

Get-MsolUser | Select-Object DisplayName,whenCreated,LastPasswordChangeTimestamp

Get-MsolUserRole -UserPrincipalName "admin@lab.onmicrosoft.com" | fl

Get-MsolGroup -SearchString "me"

Get-MsolGroupMember -GroupObjectId "000-000-0000-000000-00000"

Get-MsolUser -SearchString "user1" | Remove-MsolUser

How to Install the Azure Active Directory PowerShell Module via PowerShell

Connect to AzureAD via Powershell

#Install AzureRM if doesn't exist
if(-not (Get-Module AzureRM)){
    Install-Module -Name AzureRM -Force
}
#Install AzureAD if doesn't exist
if(-not (Get-Module AzureAD)){
    Install-Module -Name AzureAD -Force
}
#Log into Azure
Add-AzureRMAccount
Connect-AzureAD

$data = import-csv -Path "C:\Users\Amol Pawar\Documents\user.csv"
$domain = "amolpawar297hotmail.onmicrosoft.com"
$password = "fert3455@##sddA"
$PasswordProfile = New-Object -TypeName Microsoft.Open.AzureAD.Model.PasswordProfile
$PasswordProfile.Password = "fert3455@##sddA"

foreach($item in $data){
    $user = @{
        DisplayName = $item.DisplayName
        UserPrincipalName = "$($item.DisplayName)@$domain"
        PasswordProfile = $PasswordProfile
        MailNickname = $item.DisplayName
        AccountEnabled = $true
    }
    New-AzureADUser @user
}