How to identify IP Ranges in AutoHotkey - if-statement

Question

The script that I am using has a variable named SourceIP. I have some static lists of IP Ranges for VPN Pools. How can I set up a searching logic to determine in which IP Pool the Source IP resides?
Here are the example details:
SourceIP = 15.15.7.49
VPNpool1 = 15.15.1.0 - 15.15.9.255
VPNPool2 = 15.15.10.0 - 15.15.19.255
Normally when I want to see if an value is in a list of values I use If VARIABLE contains ITEM1,ITEM2,ITEMn. This method won't work for VPN Pool ranges because I would have to list out every IP. I am hoping someone knows how I can make this work.
Perhaps something like:
If SourceIP in VPNPool1
{
MsgBox The SourceIP is from VPNPool1
}
If SourceIP in VPNPool12
{
MsgBox The SourceIP is from VPNPool2
}
Else
{
MsgBox The SourceIP is not in a VPNPool.
}

Answer 1

Try this. Make sure you have the latest AutoHotkey version which supports objects.
IP := "15.15.9.254"
Start := "15.15.1.0"
End := "15.15.9.255"
if InIPRange(IP, Start, End)
msgbox yes
else
msgbox no
InIPRange(strIP, strStart, strEnd) {
arrIPRanges := {}
loop, parse, strStart, .
arrIPRanges[A_Index, A_LoopField] := A_LoopField
loop, parse, strEnd, .
arrIPRanges[A_Index, A_LoopField] := A_LoopField
loop, parse, strIP, .
{
if arrIPRanges[A_Index].MinIndex() > A_LoopField
return false
if arrIPRanges[A_Index].MaxIndex() < A_LoopField
return false
}
return true
}