1/^ *[0-9]/	{
2	# print out the average time to each hop along a route.
3	tottime = 0; n = 0;
4	for (f = 5; f <= NF; ++f) {
5		if ($f == "ms") {
6			tottime += $(f - 1)
7			++n
8		}
9	}
10	if (n > 0)
11		print $1, tottime/n, median
12}
13