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ping from ( to ( for

CGI script maintainer: Les Cottrell, SLAC. Script version 4.0, 5/13/06, Les Cottrell.
Download perl source code.
To perform a traceroute from, enter the desired target host.domain (e.g. or Internet address (e.g. in the box below:
Enter target name or address: then push 'Enter' key.
Lookup: host name | mail domain | domain name | latitude & longitude | visual traceroute | contacting someone
Related web sites
Traceroute servers,
Monitoring tutorial,
Internet monitoring
What is my IP address?

Invalid character in target. Valid characters are 'a-zA-Z0-9_.-'.
Can't find address for host name Probably an unknown host.
See The Naming System for information on host.domain and Addresses for information on Internet addresses.