netstat-nat 1.4.10-2 (powerpc binary) in ubuntu trusty

 Netstat-nat is a small program written in C. It displays NAT
 connections, managed by netfilter/iptables which comes with the > 2.4.x
 Linux kernels. The program reads its information from
 '/proc/net/ip_conntrack', which is the temporary conntrack-storage of
 netfilter.