 of the DHT is approximately 8.4 million nodes. This is estimated
by observing that a typical routing table typically has about 20 of its
top routing table buckets full. That means the key space is dense enough
to contain 8 nodes for every combination of the 20 top bits of node IDs.</p>
<blockquote>
<tt class="docutils literal">2^20 * 8 = 8388608</tt></blockquote>
<p>By controlling that many IP addresses, an attacker could snoop any info-hash.
By controlling 8 times that many IP addresses, an attacker could