/**
* Constructor for given IP address, and a prefix length.
*
* @param address the IP address
* @param prefixLength the prefix length
* @throws IllegalArgumentException if the prefix length value is invalid
*/
protected IpPrefix(IpAddress address, int prefixLength) {
checkPrefixLength(address.version(), prefixLength);
this.address = IpAddress.makeMaskedAddress(address, prefixLength);
this.prefixLength = (short) prefixLength;
}
