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Convert IPv6 Address to IP numbers (C#)
URL: http://lite.ip2location.com/
Use the code below to convert the IP address of your web visitors and lookup for their geographical location, e.g. country, state, city, latitude/longitude, ZIPs, timezone and so on. Free database can be downloaded at http://lite.ip2location.com.
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/// <summary>
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/// Convert IPV6 Address to IP Number
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/// Free geolocation database can be downloaded at:
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/// http://lite.ip2location.com/
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/// </summary>
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string strIP = "2404:6800:4001:805::1006";
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System.Net.IPAddress address;
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System.Numerics.BigInteger ipnum;
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if (System.Net.IPAddress.TryParse(strIP, out address)) {
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byte[] addrBytes = address.GetAddressBytes();
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if (System.BitConverter.IsLittleEndian) {
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System.Collections.Generic.List<byte> byteList = new System.Collections.Generic.List<byte>(addrBytes);
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byteList.Reverse();
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addrBytes = byteList.ToArray();
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}
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if (addrBytes.Length > 8) {
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//IPv6
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ipnum = System.BitConverter.ToUInt64(addrBytes, 8);
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ipnum <<= 64;
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ipnum += System.BitConverter.ToUInt64(addrBytes, 0);
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} else {
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//IPv4
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ipnum = System.BitConverter.ToUInt32(addrBytes, 0);
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}
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}
Convert IPv6 Address to IP numbers (C#)
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