Course 2

Bits and Bytes of Networking

TCP/IP & OSI models · IP addressing & subnetting · Ethernet · Transport layer · Application services · Troubleshooting

Given an IP address and CIDR prefix, fill in all five fields. Press Enter or click Submit.

Streak: 0

Accuracy: —

IP / Prefix

—

Subnet Mask

Network Address

Broadcast Address

First Usable Host

Last Usable Host

Usable Hosts

Quick reference: Hosts = 2^{(32−prefix)} − 2 · Network = IP AND Mask · Broadcast = Network OR (NOT Mask) · First host = Network + 1 · Last host = Broadcast − 1