Looks like gethostbyip returns undef which means gethostbyaddr returned undef.

Not every IP address has a name associated with it. gethostbyip should return the IP address in that case.

Or maybe there was a DNS error while looking up the host name.

In reply to Re: Getting "uninitialized value" that I can't figure out... by ikegami
in thread Getting "uninitialized value" that I can't figure out... by dguntner

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