Re: How to Enumerate LAN for machines
Re: How to Enumerate LAN for machines
- Subject: Re: How to Enumerate LAN for machines
- From: "Peter Sichel" <email@hidden>
- Date: Mon, 30 May 2005 17:48:35 -0400
>> I want to enumerate all the MAC machines in the network, How can I
>> do this??
>> I am very new to MAC Network Programming..
>
>I believe you want to look at the documentation for Bonjour (ie what
>used to be rendezvous).
That would be one way, but it only lists hosts that register network services.
The "Address Scan Look Around" tool in IPNetMonitorX uses a combination
of techniques:
(1) It pings every IP address in the directly attached subnet. For each
machine that responds it uses ARP to find the Ethernet MAC address. The
first three octets of an Ethernet address form the OUI (Organization
Unique Identifier, 00-03-93 for example). You can often lookup the
corresponding manufacturer from the data kept at http://
standards.ieee.org/regauth/oui/index.shtml .
(2) It then uses Bonjour (AKA rendezvous) to resolve the host name for
any common services like web or file sharing.
You can check out how this works by downloading a free trial version
from my website.
- Peter Sichel
http://www.sustworks.com
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