docs/sql-manual/sql-functions/ip-functions/is-ip-address-in-range.md

---
{
"title": "IS_IP_ADDRESS_IN_RANGE",
"language": "en"
}
---

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## IS_IP_ADDRESS_IN_RANGE

IS_IP_ADDRESS_IN_RANGE

### Description

#### Syntax

`BOOLEAN IS_IP_ADDRESS_IN_RANGE(STRING ip_str, STRING cidr_prefix)`

Determine whether the IP (IPv4 or IPv6) address is included in the network represented by CIDR notation. If yes, return true; otherwise, return false.

### Example

```sql
mysql> SELECT is_ip_address_in_range('127.0.0.1', '127.0.0.0/8');
+----------------------------------------------------+
| is_ip_address_in_range('127.0.0.1', '127.0.0.0/8') |
+----------------------------------------------------+
|                                                  1 |
+----------------------------------------------------+

mysql> SELECT is_ip_address_in_range('::ffff:192.168.0.1', '::ffff:192.168.0.4/128');
+------------------------------------------------------------------------+
| is_ip_address_in_range('::ffff:192.168.0.1', '::ffff:192.168.0.4/128') |
+------------------------------------------------------------------------+
|                                                                      0 |
+------------------------------------------------------------------------+

mysql> SELECT is_ip_address_in_range('127.0.0.1', NULL);
+-------------------------------------------+
| is_ip_address_in_range('127.0.0.1', NULL) |
+-------------------------------------------+
|                                      NULL |
+-------------------------------------------+
```

### Keywords

IS_IP_ADDRESS_IN_RANGE, IP