IPNetCalc.ps1
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class IPv4Network { [ipaddress]$IPAddress [string]$CIDR [ipaddress]$Mask [ipaddress]$Subnet [ipaddress]$Broadcast [ipaddress]$WildCard [ValidateRange(0, 32)][int]$PrefixLength [int64]$Count [int64]$ReversedAddress [bool]$NetworkContainsIPAddress IPv4Network([string]$CIDR) { $this.IPAddress, $this.PrefixLength = $CIDR.Split([char[]]'\/') if (![IPv4Network]::ip_is_v4($this.IPAddress)) { throw "is not ipv4 $($this.IPAddress)" } $this.Mask = [IPv4Network]::get_mask_from_prefixlength($this.PrefixLength) $this.WildCard = [IPv4Network]::get_wildcard($this.Mask) $this.Subnet = [IPv4Network]::get_subnet($this.IPAddress,$this.Mask) $this.Broadcast = [IPv4Network]::get_broadcast($this.IPAddress,$this.WildCard) $this.CIDR = "$($this.Subnet)/$($this.PrefixLength)" $this.Count = $this.GetCount() $this.ReversedAddress = [IPv4Network]::get_reversed_address($this.IPAddress) $this.NetworkContainsIPAddress = $this.Includes($this.IPAddress) } IPv4Network([ipaddress]$IPAddress, [int16]$PrefixLength) { if (![IPv4Network]::ip_is_v4($IPAddress)) { throw "is not ipv4 $IPAddress" } else { $this.IPAddress = $IPAddress } $this.PrefixLength = $PrefixLength $this.Mask = [IPv4Network]::get_mask_from_prefixlength($this.PrefixLength) $this.WildCard = [IPv4Network]::get_wildcard($this.Mask) $this.Subnet = [IPv4Network]::get_subnet($this.IPAddress,$this.Mask) $this.Broadcast = [IPv4Network]::get_broadcast($this.IPAddress,$this.WildCard) $this.CIDR = "$($this.Subnet)/$PrefixLength" $this.Count = $this.GetCount() $this.ReversedAddress = [IPv4Network]::get_reversed_address($this.IPAddress) $this.NetworkContainsIPAddress = $this.Includes($this.IPAddress) } IPv4Network([ipaddress]$IPAddress, [ipaddress]$Mask) { if (![IPv4Network]::ip_is_v4($IPAddress)) { throw "is not ipv4 $IPAddress" } else { $this.IPAddress = $IPAddress } if (![IPv4Network]::check_mask($Mask)) { throw "invalid mask $Mask" } else { $this.PrefixLength = [IPv4Network]::get_bin_string($Mask).TrimEnd('0').Length $this.Mask = $Mask } $this.WildCard = [IPv4Network]::get_wildcard($this.Mask) $this.Subnet = [IPv4Network]::get_subnet($this.IPAddress,$this.Mask) $this.Broadcast = [IPv4Network]::get_broadcast($this.IPAddress,$this.WildCard) $this.CIDR = "$($this.Subnet)/$($this.PrefixLength)" $this.Count = $this.GetCount() $this.ReversedAddress = [IPv4Network]::get_reversed_address($this.IPAddress) $this.NetworkContainsIPAddress = $this.Includes($this.IPAddress) } [bool] Includes([ipaddress]$ip) { [int64]$i_ip = [IPv4Network]::get_ip_int64($ip) [int64]$i_Subnet = [IPv4Network]::get_ip_int64($this.Subnet) [int64]$i_Broadcast = [IPv4Network]::get_ip_int64($this.Broadcast) return ($i_Subnet -le $i_ip) -and ($i_ip -le $i_Broadcast) } [ipaddress[]] GetIParray() { [System.Collections.Generic.List[string]]$ipaddresses = @() [int64]$a = [IPv4Network]::get_ip_int64($this.Subnet) [int64]$z = [IPv4Network]::get_ip_int64($this.Broadcast) for ([int64]$i = $a; $i -le $z; $i++) { $ipaddresses.Add($i) } return $ipaddresses } [void] SetIPAddress([ipaddress]$ip) { if (![IPv4Network]::ip_is_v4($ip)) { throw "is not ipv4 $($ip)" } $this.IPAddress = $ip $this.ReversedAddress = [IPv4Network]::get_reversed_address($ip) $this.NetworkContainsIPAddress = $this.Includes($this.IPAddress) } [IPv4Network] Add([int64]$i) { [ipaddress]$r_ip = [IPv4Network]::get_ip_int64($this.IPAddress) + $i $this.IPAddress = [IPv4Network]::get_reversed_ip($r_ip) $this.ReversedAddress = [IPv4Network]::get_reversed_address($this.IPAddress) $this.NetworkContainsIPAddress = $this.Includes($this.IPAddress) return $this } [IPv4Network] Subtract([int64]$i) { [ipaddress]$r_ip = [IPv4Network]::get_ip_int64($this.IPAddress) - $i $this.IPAddress = [IPv4Network]::get_reversed_ip($r_ip) $this.ReversedAddress = [IPv4Network]::get_reversed_address($this.IPAddress) $this.NetworkContainsIPAddress = $this.Includes($this.IPAddress) return $this } [int64] GetCount() { return [IPv4Network]::get_reversed_address($this.WildCard) + 1 } [string] ToString() { return $this.CIDR } [bool] Equals($other) { return ($this.CIDR -eq $other.CIDR) } hidden static [IPv4Network] op_Addition([IPv4Network]$ip, [int64]$i) { return [IPv4Network]::new($ip.IPAddress,$ip.Mask).Add($i) } hidden static [IPv4Network] op_Subtraction([IPv4Network]$ip, [int64]$i) { return [IPv4Network]::new($ip.IPAddress,$ip.Mask).Subtract($i) } static [ipaddress] get_reversed_ip([ipaddress]$ip) { return [string]$ip.Address } static [int64] get_reversed_address([ipaddress]$ip) { return ([ipaddress][IPv4Network]::get_reversed_ip($ip)).Address } static [int64] get_ip_int64([ipaddress]$ip) { return [IPv4Network]::get_reversed_ip($ip).Address } static [int64] get_net_int64([IPv4Network]$net) { return [IPv4Network]::get_ip_int64($net.Subnet) -band [IPv4Network]::get_ip_int64($net.Broadcast) } static [ipaddress] get_wildcard([ipaddress]$ip) { return (4gb + (-bnot $ip.Address)) } static [ipaddress] get_subnet([ipaddress]$ip,[ipaddress]$mask) { return $ip.Address -band $mask.Address } static [ipaddress] get_broadcast([ipaddress]$ip,[ipaddress]$wildcard) { return $ip.Address -bor $wildcard.Address } static [ipaddress] get_mask_from_prefixlength([int16]$PrefixLength) { return [string](4gb - [bigint]::Pow(2, 32 - $PrefixLength)) } static [string] get_bin_string([ipaddress]$ip) { return [System.Convert]::ToString([IPv4Network]::get_ip_int64($ip), 2) } static [bool] check_mask([ipaddress]$ip) { return ![IPv4Network]::get_bin_string($ip).TrimEnd('0').Contains('0') } static [bool] ip_is_v4([ipaddress]$ip) { return $ip.AddressFamily -eq [System.Net.Sockets.AddressFamily]::InterNetwork } } |