Mapping inet connections to pids

[Scott Ellard]

Is there a UNIX command that relates active internet
connections to the pids which own those connections?

For example, when I run netstat on my SparcStation1,
information about active internet/unix connections
is listed but there doesn't appear to be an option
to relate any of the info to the owner pids.

If there is no such command/option, has anyone written
a program to do this that they might share?

Any suggestions/comments appreciated.
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