Velocity Technical Archive

Subnet Mask Cheat Sheet

Name: Velocity Technologies
Address: 4500 S Lakeshore Dr Suite 490, Tempe, AZ, 85282, US
Telephone: +1-602-445-9816
Price range: $$

Published 2010-01-28 • Blog, networking, Display in footer

Archived Reference: This is a historical technical article preserved from the Velocity Technologies knowledge base. For current Phoenix and East Valley managed IT services, explore our managed IT services or cybersecurity solutions.

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	Hosts	Netmask	Amount of a Class C
/30	4	255.255.255.252	1/64
/29	8	255.255.255.248	1/32
/28	16	255.255.255.240	1/16
/27	32	255.255.255.224	1/8
/26	64	255.255.255.192	1/4
/24	256	255.255.255.0	1
/23	512	255.255.254.0	2
/22	1024	255.255.252.0	4
/21	2048	255.255.248.0	8
/20	4096	255.255.240.0	16
/19	8192	255.255.224.0	32
/18	16384	255.255.192.0	64
/17	32768	255.255.128.0	128
/16	65536	255.255.0.0	256

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