ping from 207.98.65.105 (ptck-perf1.nero.net) to 3.237.200.21 (ec2-3-237-200-21.compute-1.amazonaws.com) for 3.237.200.21 CGI script maintainer: Les Cottrell, SLAC. Script version 7.0, 7/30/2016, Les Cottrell. Download perl source code. To perform a traceroute/ping/tracepath function from ptck-perf1.nero.net to the target, enter the desired target host.domain (e.g. www.yahoo.com) or Internet address (e.g. 137.138.28.228) in the box below. Note the fucntion is performed for the target's resolved Internet address. Enter target name or address: then push 'Enter' key. Lookup: domain name | Locating a Host | visual traceroute | Find AS's between hosts | Find AS of a host | contacting someone

Related web sites Traceroute servers, Monitoring tutorial, Internet monitoring What is my IP address?

Executing exec(ping -c 5 -s 56 3.237.200.21)
PING 3.237.200.21 (3.237.200.21) 56(84) bytes of data.

--- 3.237.200.21 ping statistics ---
5 packets transmitted, 0 received, 100% packet loss, time 13999ms

Operation timed out --- Can't system(ping -c 5 -s 56 3.237.200.21): 256 at /usr/lib/perfsonar/web/root/gui/reverse_traceroute.cgi line 699.