Glossary

Carrier-grade NAT

A carrier technique that shares one public IPv4 address among many subscribers.

It explains why one mobile address can carry traffic from many unrelated people at once, and why an address-level block on it can affect all of them.

Related terms

  • Mobile proxy
    A proxy whose exit address sits on a mobile carrier network.
  • IP reputation
    An assessment of an address, from past behaviour and the kind of network it sits on.

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