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- Support
- Internet - SMB
- Speed, Wi-Fi & troubleshooting
- Wi-Fi & network
- Advanced settings
- How many Static IP addresses are available?
How many Static IP addresses are available?
About the number of Static IP addresses available.
DETAILED INFOThe number of Static IP addresses available
When you purchase a block of AT&T Static IP addresses, the installation technician will allocate three of the addresses to the following network functions - 1 address as the network base address; 1 address for your AT&T Gateway; and 1 address as your broadcast address. Therefore, the number of usable addresses is three less than the total number of addresses in your block. The current block sizes are:
| Total Block Size | Usable Addresses |
| 8 | 5 |
| 16 | 13 |
| 32 | 29 |
| 64 | 61 |
| 128 | 125 |
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