---
title: destinationNetworkPrefixLength
framework: networkextension
role: symbol
role_heading: Instance Property
path: networkextension/neipv6route/destinationnetworkprefixlength
---

# destinationNetworkPrefixLength

The destination network prefix length of the route.

## Declaration

```swift
var destinationNetworkPrefixLength: NSNumber { get }
```

## Discussion

Discussion This string is combined with destinationAddress to specify the destination network of the route.

## See Also

### Accessing IPv6 Route Properties

- [destinationAddress](networkextension/neipv6route/destinationaddress.md)
- [gatewayAddress](networkextension/neipv6route/gatewayaddress.md)