# otIp6NetworkPrefix Struct Reference

# otIp6NetworkPrefix


`#include <openthread/ip6.h>`

Represents the Network Prefix of an IPv6 address (most significant 64 bits of the address).

## Summary

| ### Public attributes ||
|---|---|
| `https://openthread.io/reference/struct/ot-ip6-network-prefix#structot_ip6_network_prefix_1a666882bd42f11048afc1dd616e44d969[8]` | `uint8_t` The Network Prefix. |

## Public attributes

### m8

```
uint8_t otIp6NetworkPrefix::m8[8]
```
The Network Prefix.

## Resources

OpenThread API Reference topics originate from the source code, available
on [GitHub](https://github.com/openthread/openthread/tree/main/include/openthread).
For more information, or to contribute to our documentation, refer to
[Resources](https://openthread.io/resources).