Official Maltego Documentation » Transform Guide » PATERVA CTAS » To Netblock [Blocks delegated to this IP as NS] << (IPAddress)

To Netblock [Blocks delegated to this IP as NS]


 

Transform Meta Info

Display Name To Netblock [Blocks delegated to this IP as NS]
Transform Name IPAddressToNetblock_NS4block
Short Description This transform will contact Robtex and determine if the IP number has any reverse DNS netblocks has been delegated to it.
Owner Paterva
Author Roelof Temmingh (roelof@paterva.com)
Input IPAddress
Output Netblock

Description

This transform queries Robtex's database to determine which networks have their reverse DNS delegated to this IP address. This is a very useful transform in the infrastructure foot printing process. Keep in mind that the IP address needs to that of a name server (that handles the reverse zones). In many cases this transforms provides better information than simply looking at routing or whois information. This is because organizations might have a full class B network but are only using three or four class C networks within the bigger block. In many of these cases they will only have reverse DNS information populated for these smaller blocks - and you can find these smaller blocks using this transform.

Typical Use Case

 

Example

 

Continue to the To Files (Office) [using Search Engine] << (Domain) page.


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To Netblock [Blocks delegated to this IP as NS] << (IPAddress)

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