 actually
take over any info-hash.</p>
<p>With IPv4, snooping would require a /8 IP block, giving access to 16.7 million
IPs.</p>
<p>Another problem with hashing the IP is that multiple users behind a NAT are
forced to run their DHT nodes on the same node ID.</p>
</div>
<div class="section" id="node-id-restriction">
<h1>Node ID restriction</h1>
<p>In order to avoid the number node IDs controlled to grow linearly by the number
of IPs, as well as allowing more than one node ID per external IP, the node
ID can