Appendix C IP Addresses and Subnetting
The following table shows IP address last octet values for each subnet.
Table 47 | Eight Subnets |
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| SUBNET |
| SUBNET | FIRST ADDRESS | LAST | BROADCAST |
| ADDRESS | ADDRESS | ADDRESS | ||
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1 |
| 0 | 1 | 30 | 31 |
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2 |
| 32 | 33 | 62 | 63 |
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3 |
| 64 | 65 | 94 | 95 |
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4 |
| 96 | 97 | 126 | 127 |
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5 |
| 128 | 129 | 158 | 159 |
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6 |
| 160 | 161 | 190 | 191 |
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7 |
| 192 | 193 | 222 | 223 |
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8 |
| 224 | 225 | 254 | 255 |
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Subnet Planning
The following table is a summary for subnet planning on a network with a
Table 48
| NO. “BORROWED” | SUBNET MASK | NO. SUBNETS | NO. HOSTS PER | |
| HOST BITS | SUBNET | |||
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1 | 255.255.255.128 (/25) | 2 | 126 | |
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2 | 255.255.255.192 (/26) | 4 | 62 | |
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3 | 255.255.255.224 (/27) | 8 | 30 | |
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4 | 255.255.255.240 (/28) | 16 | 14 | |
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5 | 255.255.255.248 (/29) | 32 | 6 | |
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6 | 255.255.255.252 (/30) | 64 | 2 | |
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7 | 255.255.255.254 (/31) | 128 | 1 | |
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The following table is a summary for subnet planning on a network with a
Table 49
NO. “BORROWED” | SUBNET MASK | NO. SUBNETS | NO. HOSTS PER | |
HOST BITS | SUBNET | |||
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| |||
1 | 255.255.128.0 (/17) | 2 | 32766 | |
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2 | 255.255.192.0 (/18) | 4 | 16382 | |
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3 | 255.255.224.0 (/19) | 8 | 8190 | |
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4 | 255.255.240.0 (/20) | 16 | 4094 | |
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5 | 255.255.248.0 (/21) | 32 | 2046 | |
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6 | 255.255.252.0 (/22) | 64 | 1022 | |
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7 | 255.255.254.0 (/23) | 128 | 510 | |
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8 | 255.255.255.0 (/24) | 256 | 254 | |
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9 | 255.255.255.128 (/25) | 512 | 126 | |
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10 | 255.255.255.192 (/26) | 1024 | 62 | |
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11 | 255.255.255.224 (/27) | 2048 | 30 | |
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12 | 255.255.255.240 (/28) | 4096 | 14 | |
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| 167 |
NWA1000 Series User’s Guide | |
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