Formula to convert IPv6 Address to IP number - converters

Question

I'm looking for a formula to convert IPV6 address to IP number. This is required to map with geoip location information we have.
Input IPV6 address : 2001:0db8:0000:0000:0000:ff00:0042:8329
Output IP Number converted : 42540766411282592856904265327123268393
Thanks...

Answer 1

Below are the sample codes in multiple languages to convert IPv6 address to number taken from http://lite.ip2location.com/faqs
PHP
$ipv6 = '2404:6800:4001:805::1006';
$int = inet_pton($ipv6);
$bits = 15;
$ipv6long = 0;
while($bits >= 0){
$bin = sprintf("%08b", (ord($int[$bits])));
if($ipv6long){
$ipv6long = $bin . $ipv6long;
}
else{
$ipv6long = $bin;
}
$bits--;
}
$ipv6long = gmp_strval(gmp_init($ipv6long, 2), 10);
Java
java.math.BigInteger Dot2LongIP(String ipv6) {
java.net.InetAddress ia = java.net.InetAddress.getByName(ipv6);
byte byteArr[] = ia.getAddress();
if (ia instanceof java.net.Inet6Address) {
java.math.BigInteger ipnumber = new java.math.BigInteger(1, byteArr);
return ipnumber;
}
}
C#
string strIP = "2404:6800:4001:805::1006";
System.Net.IPAddress address;
System.Numerics.BigInteger ipnum;
if (System.Net.IPAddress.TryParse(strIP, out address)) {
byte[] addrBytes = address.GetAddressBytes();
if (System.BitConverter.IsLittleEndian) {
System.Collections.Generic.List byteList = new System.Collections.Generic.List(addrBytes);
byteList.Reverse();
addrBytes = byteList.ToArray();
}
if (addrBytes.Length > 8) {
//IPv6
ipnum = System.BitConverter.ToUInt64(addrBytes, 8);
ipnum <<= 64;
ipnum += System.BitConverter.ToUInt64(addrBytes, 0);
} else {
//IPv4
ipnum = System.BitConverter.ToUInt32(addrBytes, 0);
}
}
VB.NET
Dim strIP As String = "2404:6800:4001:805::1006"
Dim address As System.Net.IPAddress
Dim ipnum As System.Numerics.BigInteger
If System.Net.IPAddress.TryParse(strIP, address) Then
Dim addrBytes() As Byte = address.GetAddressBytes()
If System.BitConverter.IsLittleEndian Then
Dim byteList As New System.Collections.Generic.List(Of Byte)(addrBytes)
byteList.Reverse()
addrBytes = byteList.ToArray()
End If
If addrBytes.Length > 8 Then
'IPv6
ipnum = System.BitConverter.ToUInt64(addrBytes, 8)
ipnum <<= 64
ipnum += System.BitConverter.ToUInt64(addrBytes, 0)
Else
'IPv4
ipnum = System.BitConverter.ToUInt32(addrBytes, 0)
End If
End If