---
title: "init(address:mask:)"
framework: avrouting
role: symbol
role_heading: Initializer
path: "avrouting/avcustomroutingpartialip/init(address:mask:)"
---

# init(address:mask:)

Creates an IP fragment.

## Declaration

```swift
init(address: Data, mask: Data)
```

## Parameters

- `address`: The IP address.
- `mask`: The address mask.