IP Subnet Calculator

IP Address:Subnet mask:

255.255.255.0

IP:

192.168.1.1 /24

11000000.10101000.00000001.00000001

Class:

Subnet mask (Prefix):

/24

Subnet mask:

255.255.255.0

11111111.11111111.11111111.00000000

Wildcard mask:

0.0.0.255

00000000.00000000.00000000.11111111

IP Range:

192.168.1.0 - 192.168.1.255

Usable Host IP Range:

192.168.1.1 - 192.168.1.254

Network or Subnet Address:

192.168.1.0 /24

11000000.10101000.00000001.00000000

1st Usable Address:

192.168.1.1 /24

11000000.10101000.00000001.00000001

2nd Usable Address:

192.168.1.2 /24

11000000.10101000.00000001.00000010

3rd Usable Address:

192.168.1.3 /24

11000000.10101000.00000001.00000011

Last Usable Address:

192.168.1.254 /24

11000000.10101000.00000001.11111110

Broadcast Address:

192.168.1.255 /24

11000000.10101000.00000001.11111111

Number of Usable Host / IP:

254 (2⁸ - 2)

Pointer (PTR) record:

1.1.168.192.in-addr.arpa

Link:

https://www.calcip.com/192.168.1.1/24

* Concepts of IP addressing, subnetting, VLSM (Variable Length Subnet Mask), route summarization, IPv6, EUI-64 (Extended Unique Identifier-64) and relevant exam tips, are covered in our CCNA (Cisco Certified Network Associate) course .