private static final byte []
toArray(int addr) {
	byte [] bytes = new byte[4];
	bytes[0] = (byte) ((addr >>> 24) & 0xFF);
	bytes[1] = (byte) ((addr >>> 16) & 0xFF);
	bytes[2] = (byte) ((addr >>> 8) & 0xFF);
	bytes[3] = (byte) (addr & 0xFF);
	return bytes;
}
Address Record - maps a domain name to an Internet address

@author Brian Wellington
src/main/java/core/org/xbill/DNS/ARecord.java