Er Amit Tripathi
Number of posts : 37
Age : 38
Location : Lucknow
Job/hobbies : Software Engeener
What U like To do ? : I Rocks With Computer System.
Registration date : 2008-01-09
 |  Subject: Network Range (SCANNING AND FOOTPRINTING) 5  2/10/2008, 2:30 am | |
| - Quote :
Now that the pen test team has been able to locate name, phone numbers,
addresses, some server names, and IP addresses, it's important to find
out what range of IP addresses are available for scanning and further
enumeration. If you take the IP address of a web server discovered earlier
and enter it into the Whois lookup at www.arin.net, the network's range
can be determined. As an example, 192.17.170.17 was entered into the
ARIN Whois, and the following information was received: OrgName: target network
OrgID: Target-2
Address: 1313 Mockingbird Road
City: Anytown
StateProv: Tx
PostalCode: 72341
Country: US
ReferralServer: rwhois://rwhois.exodus.net:4321/
NetRange: 192.17.12.0 - 192.17.12.255
CIDR: 192.17.0.0/24
NetName: SAVVIS
NetHandle: NET-192-17-12-0-1
Parent: NET-192-0-0-0-0 This means that the target network has 254 total addresses. The attacker
can now focus his efforts on the range from 192.17.12.1 to 192.17.12.254
/24. If these results don't prove satisfactory, traceroute can be used
for additional mapping.
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