...
  TCP    127.0.0.1:3105         127.0.0.1:4317         ESTABLISHED
  TCP    127.0.0.1:3205         127.0.0.1:4340         ESTABLISHED
  TCP    127.0.0.1:3305         127.0.0.1:4329         ESTABLISHED
  TCP    127.0.0.1:3505         127.0.0.1:1974         ESTABLISHED
... lots of other uninteresting lines omitted ...