This is a reimplementation of the netstat-nat tool, written entirely in Go. It uses the same command line flags and almost the same output format so it can be used as a drop-in replacement in most cases.
go get honnef.co/go/netstat-nat$GOPATH/bin/netstat-nat --help-
The original version limits the printed hostnames to fixed width. We do not.
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The -x flag is a NOOP because we do not limit the length of hostnames.
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The -N flag is not yet supported.