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This project is a general practical exercise to let you discover networking..

Skills	Grade
[Network & system administration] [Rigor]	✅ 100%

• Mandatory part

• Study resources

Mandatory part

• To complete this task, it is highly recommended that you understand how addressing works in a network in which there are devices such as routers. Read about TCP/IP addressing.

↑ Index ↑

Tools

Study resources

Links

• tutorial ipaube
• tutorial viruskizz
• tutorial ricardoneves
• medium @imzf
• medium toufa7 Subneting
• medium toufa7 Guidelines
• curso em video

↑ Index ↑

Workflow

Levels

• Level 1
• Level 2
• Level 3
• Level 4
• Level 5
• Level 6
• Level 7
• Level 8
• Level 9
• Level 10

Subnet Mask

• The subnet mask is a 32-bit number used to separate the network part from the host part.

Subnet Mask	CIDR	Binary Notation	Network Bits	Host Bits	Available Addresses
255.255.255.255	/32	11111111.11111111.11111111.11111111	32	0	1
255.255.255.254	/31	11111111.11111111.11111111.11111110	31	1	2
255.255.255.252	/30	11111111.11111111.11111111.11111100	30	2	4
255.255.255.248	/29	11111111.11111111.11111111.11111000	29	3	8
255.255.255.240	/28	11111111.11111111.11111111.11110000	28	4	16
255.255.255.224	/27	11111111.11111111.11111111.11100000	27	5	32
255.255.255.192	/26	11111111.11111111.11111111.11000000	26	6	64
255.255.255.128	/25	11111111.11111111.11111111.10000000	25	7	128
255.255.255.0	/24	11111111.11111111.11111111.00000000	24	8	256
255.255.254.0	/23	11111111.11111111.11111110.00000000	23	9	512
255.255.252.0	/22	11111111.11111111.11111100.00000000	22	10	1024
255.255.248.0	/21	11111111.11111111.11111000.00000000	21	11	2048
255.255.240.0	/20	11111111.11111111.11110000.00000000	20	12	4096
255.255.224.0	/19	11111111.11111111.11100000.00000000	19	13	8192
255.255.192.0	/18	11111111.11111111.11000000.00000000	18	14	16384
255.255.128.0	/17	11111111.11111111.10000000.00000000	17	15	32768
255.255.0.0	/16	11111111.11111111.00000000.00000000	16	16	65536
255.254.0.0	/15	11111111.11111110.00000000.00000000	15	17	131072
255.252.0.0	/14	11111111.11111100.00000000.00000000	14	18	262144
255.248.0.0	/13	11111111.11111000.00000000.00000000	13	19	524288
255.240.0.0	/12	11111111.11110000.00000000.00000000	12	20	1048576
255.224.0.0	/11	11111111.11100000.00000000.00000000	11	21	2097152
255.192.0.0	/10	11111111.11000000.00000000.00000000	10	22	4194304
255.128.0.0	/9	11111111.10000000.00000000.00000000	9	23	8388608
255.0.0.0	/8	11111111.00000000.00000000.00000000	8	24	16777216

Click to expand