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Re: Discovering network subnets
From: Kelly Scroggins <kelly () cliffhanger com>
Date: Sat, 20 Aug 2005 18:38:41 -0500

Depending on the netmask used, it could be a valid
host IP.  i.e.,

The network ID of 192.168.1.0/22 includes 4 
'C Blocks' with the following hosts ...

 192.168.0.1 -to- 192.168.0.255
 192.168.1.0 -to- 192.168.1.255
 192.168.2.0 -to- 192.168.2.255
 192.168.3.0 -to- 192.168.3.255

-- 

           --    -- 
             \  /
              \/
              /\
             /  \
           --    --



Quoting hannibal blog <hannibalsec () gmail com>:
        hello list
        
        I'm actually doing a blackbox audit of a network, and I'm trying to
        discover network architecture.
        
        I got this output with nmap X.X.X.0/24
        
        interresting ports on X.X.X.0 
        68/tcp
        723/tcp
        6000/tcp
        
        I'm not sure the network is a C class one, but I'm surprised that such
        an ip adress is an host IP.
        What do u think ?
        Any idea to guess network adressing map ?
        
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Learn the hacker's secrets that compromise wireless LANs. Secure your
WLAN by understanding these threats, available hacking tools and proven
countermeasures. Defend your WLAN against man-in-the-Middle attacks and
session hijacking, denial-of-service, rogue access points, identity
thefts and MAC spoofing. Request your complimentary white paper at:

http://www.securityfocus.com/sponsor/AirDefense_pen-test_050801
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