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I am searching for a specific tool to visualize a network topology.
I found images at this serverfault question. Does anyone know what tool they were using?

I checked most of the recommendations from this superuser question but haven't found it yet

enter image description here

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  • 1
    Are you looking for a tool to find the topology or to generate such graphs? Or a 2-in-1 tool?
    – Franck Dernoncourt
    May 27, 2014 at 20:02
  • I may have used the wrong terminology. Such graph is what I'm looking for
    – nixda
    May 27, 2014 at 20:29

1 Answer 1

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6

This sort of diagram is typical of those created with GraphWiz using the dot language.

Also worth taking a look at scapy especially the traceroute demo, e.g. the following generated from only about 6 lines of code:

enter image description here

The above example is from http://www.secdev.org/projects/scapy/demo.html and was generated, from within the scapy shell with:

>>> res,unans = traceroute(["www.microsoft.com","www.cisco.com","www.yahoo.com","www.wanadoo.fr","www.pacsec.com"],dport=[80,443],maxttl=20,retry=-2)
Received 190 packets, got 190 answers, remaining 10 packets
   193.252.122.103:443 193.252.122.103:80 198.133.219.25:443 198.133.219.25:80  207.46...
1  192.168.8.1         192.168.8.1        192.168.8.1        192.168.8.1        192.16...
2  82.251.4.254        82.251.4.254       82.251.4.254       82.251.4.254       82.251...
3  213.228.4.254       213.228.4.254      213.228.4.254      213.228.4.254      213.22...
[...]
>>> res.graph()                          # piped to ImageMagick's display program. Image below.
>>> res.graph(type="ps",target="| lp")   # piped to postscript printer
>>> res.graph(target="> /tmp/graph.svg") # saved to file

but to generate the same from the python prompt would require a couple of additional imports that are imported by default in the scapy shell.

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  • Can you please point us to those six lines of code ?
    – MiniMe
    Jul 4, 2017 at 17:46
  • 1
    @MiniMe : Added to answer.
    – Steve Barnes
    Jul 4, 2017 at 21:09
  • 1
    Thanks a lot Steve. I just did some reading and I realized that all that is in the documentation :-) Shame on me :-)
    – MiniMe
    Jul 5, 2017 at 2:30

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