Edward is a penetration tester hired by the OBC Group. He was asked to gather information on the client’s network. As part of the work assigned, Edward needs to find the range of IP addresses and the subnet mask used by the target organization. What does Edward need to do to get the required information?

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Edward is a penetration tester hired by the OBC Group. He was asked to gather information on the client’s network. As part of the work assigned, Edward needs to find the range of IP addresses and the subnet mask used by the target
organization.
What does Edward need to do to get the required information?



Search for web pages posting patterns and revision numbers
Search for an appropriate Regional Internet Registry (RIR)
Search for link popularity of the company’s website
Search for Trade Association Directories

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