Compute a subnet from a ipv4 field; by default emits a into a _subnet field.
| Parameter | Type | Required | Default Value | Description |
|---|---|---|---|---|
as | string | optional[a] | _subnet | Specifies the name of the output field. |
bits | number | required | Specifies the prefix bits to include in the subnet, for example, 23. | |
field[b] | string | required | Specifies the input field. | |
[a] Optional parameters use their default value unless explicitly set. | ||||
Hide omitted argument names for this function
Omitted Argument NamesThe argument name for
fieldcan be omitted; the following forms of this function are equivalent:logscale Syntaxsubnet("value",bits="value")and:
logscale Syntaxsubnet(field="value",bits="value")These examples show basic structure only.
subnet() Syntax Examples
Compute subnet for ipAddress using 23bit prefix; emit into subnet field
logscale
subnet(ipAddress, bits=23, as=subnet)