Stanford University seal SLAC logo, click here to learn more about SLAC

tracepath from 147.231.25.192 (ps01-l.farm.particle.cz) to 3.239.6.58 (ec2-3-239-6-58.compute-1.amazonaws.com) for 3.239.6.58

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 ps01-l.farm.particle.cz 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 		Related web sites
Traceroute servers,
Monitoring tutorial,
Internet monitoring
What is my IP address?
Please note that traceroutes can appear similar to port scans. If you see a suspected port scan alert, for example from your firewall, with a series of ports in the range 33434 - 33465, coming from ps01-l.farm.particle.cz it is probably a reverse traceroute from our web based reverse traceroute server. Please do NOT report this to us, it will almost certainly be a waste of both of our times. For more on this see
Traceroute security issues.
Executing exec(/bin/tracepath  3.239.6.58)
 1?: [LOCALHOST]                                         pmtu 1500
 1:  router.farm.particle.cz                               7.920ms 
 1:  router.farm.particle.cz                               4.031ms 
 2:  147.231.18.213                                        3.951ms 
 3:  cesnetzikova-bgpovc.pasnet.cz                         3.618ms 
 4:  195.113.235.99                                        3.151ms 
 5:  213.144.184.24                                        7.612ms asymm  6 
 6:  ffm-b5-link.ip.twelve99.net                           7.439ms 
 7:  ffm-bb1-link.ip.twelve99.net                          7.614ms asymm  9 
 8:  prs-bb1-link.ip.twelve99.net                         35.439ms asymm 10 
 9:  rest-bb1-link.ip.twelve99.net                        92.364ms asymm 10 
10:  ash-b2-link.ip.twelve99.net                          96.561ms asymm  9 
11: