You might want to give Net::Ping::External a try. From its docs:

... this module will probably provide more accurate results than Net::Ping will. Why? ICMP ping is the most reliable way to tell whether a remote host is alive. However, Net::Ping cannot use an ICMP ping unless you are running your script with privileged (AKA "root") access. The system's "ping" command uses ICMP and does not usually require privileged access.

In reply to Re^10: using online translation engines with perl (ping) by haukex
in thread using online translation engines with perl by Aldebaran

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