/// <summary>
/// Check if this prefix contains a packet.
/// </summary>
/// <param name="ip">The ip.</param>
/// <returns>Whether contained.</returns>
public Zen <bool> Match(Zen <Ip> ip)
{
var mask = 0xFFFFFFFF << (32 - this.Length);
return((ip.GetValue() & mask) == (this.Address & mask));
}