Reader small image

You're reading from  Practical Web Penetration Testing

Product typeBook
Published inJun 2018
PublisherPackt
ISBN-139781788624039
Edition1st Edition
Right arrow
Author (1)
Gus Khawaja
Gus Khawaja
author image
Gus Khawaja

Gus Khawaja holds a bachelor's degree in computer science. He specializes in IT security and ethical hacking. He is an author and shares his passion with millions of viewers around the world using his online courses. He also works as a cybersecurity consultant in Montreal, Canada. After many years of experience in programming, he turned his attention to cybersecurity and the importance that security brings to this minefield. His passion for the ethical hacking mixed with his background in programming and IT makes him a wise swiss-knife professional in the computer science domain.
Read more about Gus Khawaja

Right arrow

Network subnets

Sometimes, you will be given subnet masks (a range of IP addresses) to test, and in some cases, you will test only one single IP address. If you're using a subnet mask, then use the following table as a reference:

CIDR Hosts Net mask
/30 2 255.255.255.252
/29 6 255.255.255.248
/28 14 255.255.255.240
/27 30 255.255.255.224
/26 62 255.255.255.192
/25 126 255.255.255.128
/24 254 255.255.255.0
/23 510 255.255.254.0
/22 1022 255.255.252.0
/21 2046 255.255.248.0
/20 4094 255.255.240.0
/19 8190 255.255.224.0
/18 16382 255.255.192.0
/17 32766 255.255.128.0
/16 65534 255.255.0.0
lock icon
The rest of the page is locked
Previous PageNext Page
You have been reading a chapter from
Practical Web Penetration Testing
Published in: Jun 2018Publisher: PacktISBN-13: 9781788624039

Author (1)

author image
Gus Khawaja

Gus Khawaja holds a bachelor's degree in computer science. He specializes in IT security and ethical hacking. He is an author and shares his passion with millions of viewers around the world using his online courses. He also works as a cybersecurity consultant in Montreal, Canada. After many years of experience in programming, he turned his attention to cybersecurity and the importance that security brings to this minefield. His passion for the ethical hacking mixed with his background in programming and IT makes him a wise swiss-knife professional in the computer science domain.
Read more about Gus Khawaja