Network +: subnetting

Address layout

128: 0, 128 64: 0, 64, 128, 192, 32: 0, 32, 64, 96, 128, 160, 192, 224 16: 0, 16, 32, 48, 64, 80, 96, 112, 128, 144, 160, 176 8: 0, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96, 4: 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48...

Charts for subnetting /1 /9. /17. /25 /2. /10. /18. /26 /3. /11. /19. /27 /4. /12. /20. /28 /5. /13. /21. /29 /6. /14. /22. /30 /7. /15. /23. /31 /8. /16. /24. /32

Networks/hosts/CIDR Notation 2. 128. 128 4. 64. 192 8. 32 224 16. 16. 240 32. 8. 248 64. 4. 252 128. 2. 254 256. 1. 255

We have 4 networks with 40 devices per subnet; 192.168.1.0/24.

Subnet in decimal: 255.255.255.0, 255.255.255.128, 192, 224, 240, 248, 252, 254. Subnet in binary: 00000000, 10000000, 11000000, 11100000, 11110000, 11111000, 11111100, 11111110. CIDR Notation: /24, /25, /26, /27, /28, /29, /30, /31. Networks: 1, 2, 4, 8, 16, 32, 64, 128. Devices per network: 254 (255-1), 126 (128-2), 62 (64-2), 30 (32-2), 14 (16-2), 6 (8-2), 2 (4-2), 1. IP - 192.168.1.0 Netmask: 255.255.255.192 = /26 Hosts per net: 62 Network 1: 192.168.1.0 /26 First host: 192.168.1.1 Last host: 192.168.1.62 Broadcast: 192.168.1.63 Network 2: 192.168.1.64 /26 First host: 192.168.1.65 Last: 192.168.1.126 Broadcast: 192.168.1.127 Network 3: 192.168.1.128 /26 First host: 192.168.1.129 Last: 192.168.1.190 Broadcast: 192.168.1.191 Network 4: 192.168.1.192 /26 First host: 192.168.1.193 Last: 192.168.1.254 Broadcast: 192.168.1.255