Powershell get ipv4 address into a variable

Question

Is there an easy way in powershell 3 0 Windows 7 to get the local computer s ipv4 address into a variable

User · Answer

Patrick Burwell s Ping Script - Patrick Burwell Infosys com    Output       sets an array  names   Get-Content  quot   input ptd pc list txt quot   sets a list to use  like a DNS dump foreach   name in  names    sets the input by enumerating a text file to loop through and sets a variable to execute against    if   IPV4   Test-Connection -Delay 15 -ComputerName  name -Count 1 -ErrorAction SilentlyContinue select IPV4Address  run ping and sets only IPV4Address response variable       If true then run        Output    Name   IPV4 IPV4Address  IPAddressToString   Fills the array with the  true response    Write-Host  Name     Ping    IPV4 IPV4Address  IPAddressToString -ForegroundColor Green  Sets the output to receive the Name  result and IPV4Address and prints the reply to the console with specific colors       else  If false then run         Output    quot  name  quot   Fills the array with the  false response     Write-Host  quot  Name  quot  -ForegroundColor Red  Prints the reply to the console with specific colors           Output   Out-file  quot   output result csv quot    lt -- use to export to a text file  Set path as needed    Output   Export-CSV  quot   output result csv quot  -NoTypeInformation   lt -- use to export to a csv file  Set path as needed    If you choose  you can merely have the reply by the name and IP  and the Name and no IP by removing the Ping comments

User · Answer

a   ipconfig  result    a 8  -replace  IPv4 Address                              Also check which index of ipconfig has the IPv4 Address

User · Answer

Get-WmiObject -Class Win32 NetworkAdapterConfiguration   where     DefaultIPGateway -ne  null   IPAddress   select-object -first 1

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Here is another solution    env HostIP         Get-NetIPConfiguration       Where-Object              IPv4DefaultGateway -ne  null -and            NetAdapter Status -ne  Disconnected          IPv4Address IPAddress

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Here is what I ended up using   ipaddress     ipconfig   where     -match  IPv4   s  d 1 3    d 1 3    d 1 3    d 1 3        out-null   Matches 1     which breaks down as   execute ipconfig command - get all the network interface information use powershell s where filter with a regular expression regular expression finds the line with  IPv4  and a set of 4 blocks each with 1-3  digits separated by periods  i e  a v4 IP address disregard the output by piping it to null finally get the first matched group as defined by the brackets in the regular expression  catch that output in  ipaddress for later use

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If I use the machine name this works  But is kind of like a hack  because I am just picking the first value of ipv4 address that I get     ipaddress   System Net DNS   GetHostAddresses  PasteMachineNameHere   Where-Object     AddressFamily -eq  InterNetwork        select-object IPAddressToString  0  IPAddressToString   Note that you have to replace the value PasteMachineNameHere in the above expression  This works too   localIpAddress   ipconfig   findstr  0-9      0   Split   -1

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How about this   not my real IP Address    PS C   gt   ipV4   Test-Connection -ComputerName  hostname  -Count 1    Select IPV4Address  PS C   gt   ipV4  IPV4Address                                                   ----------- 192 0 2 0   Note that using localhost would just return and IP of 127 0 0 1  PS C   gt   ipV4   Test-Connection -ComputerName localhost -Count 1    Select IPV4Address  PS C   gt   ipV4  IPV4Address                                                              -----------                                                   127 0 0 1   The IP Address object has to be expanded out to get the address string  PS C   gt   ipV4   Test-Connection -ComputerName  hostname  -Count 1    Select -ExpandProperty IPV4Address   PS C   gt   ipV4  Address              556228818 AddressFamily        InterNetwork ScopeId               IsIPv6Multicast      False IsIPv6LinkLocal      False IsIPv6SiteLocal      False IsIPv6Teredo         False IsIPv4MappedToIPv6   False IPAddressToString    192 0 2 0   PS C   gt   ipV4 IPAddressToString 192 0 2 0

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Another variant using  env environment variable to grab hostname   Test-Connection -ComputerName  env computername -count 1   Select-Object IPV4Address   or if you just want the IP address returned without the property header   Test-Connection -ComputerName  env computername -count 1  IPV4Address ipaddressTOstring

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To grab the device s IPv4 addresses  and filter to only grab ones that match your scheme  i e  Ignore and APIPA addresses or the LocalHost address   You could say to grab the address matching 192 168 200   for example    IPv4Addr   Get-NetIPAddress -AddressFamily ipV4   where     IPAddress -like X X X X    Select IPAddress

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This one liner gives you the IP address    Test-Connection -ComputerName  env computername -count 1  ipv4address IPAddressToString   Include it in a Variable    IPV4  Test-Connection -ComputerName  env computername -count 1  ipv4address IPAddressToString

User · Answer

tldr  I used this command to get the ip address of my Ethernet network adapter into a variable called IP  for  f  quot tokens 3 delims    quot   i  in   netsh interface ip show config name   quot Ethernet quot     findstr  quot IP Address quot    do set IP  i  For those who are curious to know what all that means  read on Most commands using ipconfig for example just print out all your IP addresses and I needed a specific one which in my case was for my Ethernet network adapter  You can see your list of network adapters by using the netsh interface ipv4 show interfaces command  Most people need Wi-Fi or Ethernet  You ll see a table like so in the output to the command prompt  Idx     Met         MTU          State                Name ---  ----------  ----------  ------------  ---------------------------   1          75  4294967295  connected     Loopback Pseudo-Interface 1  15          25        1500  connected     Ethernet  17        5000        1500  connected     vEthernet  Default Switch   32          15        1500  connected     vEthernet  DockerNAT   In the name column you should find the network adapter you want  i e  Ethernet  Wi-Fi etc    As mentioned  I was interested in Ethernet in my case  To get the IP for that adapter we can use the netsh command  netsh interface ip show config name  quot Ethernet quot  This gives us this output  Configuration for interface  quot Ethernet quot      DHCP enabled                          Yes     IP Address                            169 252 27 59     Subnet Prefix                         169 252 0 0 16  mask 255 255 0 0      InterfaceMetric                       25     DNS servers configured through DHCP   None     Register with which suffix            Primary only     WINS servers configured through DHCP  None   I faked the actual IP number above for security reasons   I can further specify which line I want using the findstr command in the ms-dos command prompt  Here I want the line containing the string IP Address  netsh interface ip show config name  quot Ethernet quot    findstr  quot IP Address quot   This gives the following output   IP Address                            169 252 27 59  I can then use the for command that allows me to parse files  or multiline strings in this case  and split out the strings  contents based on a delimiter and the item number that I m interested in  Note that I am looking for the third item  tokens 3  and that I am using the space character and   as my delimiters  delims      for  f  quot tokens 3 delims    quot   i  in   netsh interface ip show config name   quot Ethernet quot     findstr  quot IP Address quot    do set IP  i  Each value or token in the loop is printed off as the variable  i but I m only interested in the third  quot token quot  or item  hence tokens 3   Note that I had to escape the   and   using a   At the end of the for command you can specify a command to run with the content that is returned  In this case I am using set to assign the value to an environment variable called IP  If you want you could also just echo the value or what ever you like  With that you get an environment variable with the IP Address of your preferred network adapter assigned to an environment variable  Pretty neat  huh  If you have any ideas for improving please leave a comment

User · Answer

Here are three methods using windows powershell and or powershell core  listed from fastest to slowest  You can assign it to a variable of your choosing    Method 1   this method is the fastest and works in both windows powershell and powershell core     ipAddress    Get-NetIPAddress   Where-Object     AddressState -eq  Preferred  -and    ValidLifetime -lt  24 00 00    IPAddress    Method 2   this method is as fast as method 1 but it does not work with powershell core     ipAddress    Test-Connection -ComputerName  hostname  -Count 1   Select -ExpandProperty IPv4Address  IPAddressToString    Method 3   although the slowest  it works on both windows powershell and powershell core     ipAddress    Get-NetIPConfiguration   Where-Object     IPv4DefaultGateway -ne  null -and    NetAdapter status -ne  Disconnected    IPv4Address IPAddress

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I recently had the same issue  So I wrote a script to parse it from the ipconfig  all output  This script is easily modifiable to obtain any of the parameters of the interfaces and it works on Windows 7 also    Get output of IP config in LineNumber   Line format    ip config     ipconfig  all         -split  rn     Select-String -Pattern        select LineNumber  Line    Get list of interfaces    last line of ipconfig output  in LineNumber   Line format    interfaces      ip config   where     Line -notmatch    s       where     Line -notmatch    s         ip config   Select -last 1    Filter through the interfaces list for the specific interface you want    LAN      interfaces   where     Line -match  Wireless Network Connection        Get the start and end line numbers of chosen interface from output    i    interfaces IndexOf  LAN   start    LAN LineNumber  end    interfaces  i 1  LineNumber   Pick the lines from start  end    LAN    ip config   where     LineNumber -in   start   end     Get IP v4  address field  returns null if no IPv4 address present     LAN IP      LAN   where     -match  IPv4    s  d 1 3    d 1 3    d 1 3    d 1 3       LAN IP    amp  If   LAN IP Count -gt 0    Matches 1   Else   null

[windows] Powershell get ipv4 address into a variable

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