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Subnet Mask Calculator |
| Enter the TCPIP Network Address: |
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| Force as Class: |
Default Class A Class
B Class C |
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| Enter the required number of sub-networks: |
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| OR enter the required number of nodes/hosts per network
(including network & broadcast addresses)***: |
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| Network Class: |
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| Subnet Mask: |
or |
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| Subnets: |
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| Nodes/Hosts per Network (including network and broadcast
addresses)***: |
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*** To add support for RFC3021 which allows for /31 networks, the subnet mask
calculator has changed to accomodate this. To do this, the number of hosts
now include the network and broadcast addresses since these are used for
hosts in /31 networks.
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Network/Node Calculator |
| Enter the Subnet Mask: |
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| Enter the TCPIP Address: |
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| Network: |
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| Node/Host: |
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| Broadcast Address: |
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IP Address Converter |
| Enter the dotted decimal TCPIP Address: |
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| or Enter the binary TCPIP Address: |
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| or Enter the hex TCPIP Address: |
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| or Enter the decimal TCPIP Address: |
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Subnet Mask Converter |
| Enter the dotted decimal Subnet Mask |
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| or Enter the number of bits in the subnetmask |
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