awk '
BEGIN { printf "\n%40s\n\n","ROUTE SUMMARY"
	printf "%20s %-15s %-15s %-15s\n"," ","METRIC","GATEWAY","TOTAL"
	printf "%-20s %-15s %-15s %-15s\n\n","NETWORKS","CHANGES","CHANGES","CHANGES" }
	{ if ($1 == "CHANGE")
		sum[$3]++
		if (gateway[$3] == $5)
			metchng[$3]++
		else {
			gatechng[$3]++
			gateway[$3] = $5
		}
	}
END { for (net in sum) printf "%-23s %-15s %-15s %-15s\n",net,metchng[net],gatechng[net],sum[net] }
    ' $*
