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Applies to: ✅ Azure Data Explorer ✅ Azure Monitor ✅ Microsoft Sentinel
Parses the input with a netmask and returns a string representing the IPv4 address.
format_ipv4(ip [, prefix])
Learn more about syntax conventions.
| Name | Type | Required | Description |
|---|---|---|---|
| ip | string |
✔️ | The IPv4 address. The format may be a string or number representation in big-endian order. |
| prefix | int |
An integer from 0 to 32 representing the number of most-significant bits that are taken into account. If unspecified, all 32 bit-masks are used. |
If conversion is successful, the result will be a string representing IPv4 address. If conversion isn't successful, the result will be an empty string.
datatable(address:string, mask:long)
[
'192.168.1.1', 24,
'192.168.1.1', 32,
'192.168.1.1/24', 32,
'192.168.1.1/24', long(-1),
]
| extend result = format_ipv4(address, mask),
result_mask = format_ipv4_mask(address, mask)
Output
| address | mask | result | result_mask |
|---|---|---|---|
| 192.168.1.1 | 24 | 192.168.1.0 | 192.168.1.0/24 |
| 192.168.1.1 | 32 | 192.168.1.1 | 192.168.1.1/32 |
| 192.168.1.1/24 | 32 | 192.168.1.0 | 192.168.1.0/24 |
| 192.168.1.1/24 | -1 |
- For IPv4 address formatting including CIDR notation, see format_ipv4_mask().
- For a list of functions related to IP addresses, see IPv4 and IPv6 functions.