ping from 192.108.47.12 (perfsonar2-de-kit.gridka.de) to 3.233.220.21 (ec2-3-233-220-21.compute-1.amazonaws.com) for 3.233.220.21 CGI script maintainer: Les Cottrell, SLAC. Script version 7.7, 8/9/2018, Les Cottrell. Download perl source code. To perform a traceroute/ping/tracepath function from perfsonar2-de-kit.gridka.de 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 of a host | contacting someone

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Executing exec(ping -c 5 -s 56 3.233.220.21)
PING 3.233.220.21 (3.233.220.21) 56(84) bytes of data.

--- 3.233.220.21 ping statistics ---
5 packets transmitted, 0 received, 100% packet loss, time 4001ms

256Responses not seen --- Can't system(ping -c 5 -s 56 3.233.220.21): 256 at /usr/lib/perfsonar/web-ng/root/gui/reverse_traceroute.cgi line 737.