# 限制IP地址段

* [IpAddress](https://iam.cloudcopilot.io/resources/operators/IpAddress)
* [IpAddressIfExists](https://iam.cloudcopilot.io/resources/operators/IpAddressIfExists)
* [NotIpAddress](https://iam.cloudcopilot.io/resources/operators/NotIpAddress)
* [NotIpAddressIfExists](https://iam.cloudcopilot.io/resources/operators/NotIpAddressIfExists)

### IpAddress

`IpAddress` compares an IP address in a request to a list of CIDR strings in your policy.

To match a request, the context key must exist in the request and must match at least one of the CIDR strings in your policy.

You can NOT use policy variables in the value of this operator.

#### IpAddress in an Allow Statement

<table data-header-hidden><thead><tr><th></th><th></th><th></th></tr></thead><tbody><tr><td>Policy Condition</td><td>Request Context</td><td>Result</td></tr><tr><td><pre><code>"IpAddress": {
  "aws:SourceIp": [
    "170.64.0.0/16",
    "2001:4860:4860::8888/32"
  ]
}
</code></pre></td><td><code>aws:SourceIp: null</code></td><td><img src="https://iam.cloudcopilot.io/_astro/unknown.4jslFilM_ZFyvUV.svg" alt="Not Allowed"> Not AllowedStatement does not apply</td></tr><tr><td><pre><code>"IpAddress": {
  "aws:SourceIp": [
    "170.64.0.0/16",
    "2001:4860:4860::8888/32"
  ]
}
</code></pre></td><td><code>aws:SourceIp: 170.64.109.25</code></td><td><img src="https://iam.cloudcopilot.io/_astro/allow.BKwnWDMp_Z2m9B7U.svg" alt="Allowed"> AllowedAssuming no explicit Deny elsewhere</td></tr><tr><td><pre><code>"IpAddress": {
  "aws:SourceIp": [
    "170.64.0.0/16",
    "2001:4860:4860::8888/32"
  ]
}
</code></pre></td><td><code>aws:SourceIp: 10.0.14.32</code></td><td><img src="https://iam.cloudcopilot.io/_astro/unknown.4jslFilM_ZFyvUV.svg" alt="Not Allowed"> Not AllowedStatement does not apply</td></tr></tbody></table>

#### IpAddress in a Deny Statement

<table data-header-hidden><thead><tr><th></th><th></th><th></th></tr></thead><tbody><tr><td>Policy Condition</td><td>Request Context</td><td>Result</td></tr><tr><td><pre><code>"IpAddress": {
  "aws:SourceIp": [
    "170.64.0.0/16",
    "2001:4860:4860::8888/32"
  ]
}
</code></pre></td><td><code>aws:SourceIp: null</code></td><td><img src="https://iam.cloudcopilot.io/_astro/unknown.4jslFilM_ZFyvUV.svg" alt="Not Denied"> Not DeniedMay be allowed by another statement</td></tr><tr><td><pre><code>"IpAddress": {
  "aws:SourceIp": [
    "170.64.0.0/16",
    "2001:4860:4860::8888/32"
  ]
}
</code></pre></td><td><code>aws:SourceIp: 170.64.109.25</code></td><td><img src="https://iam.cloudcopilot.io/_astro/deny.BdzmNWl3_Z19aIY3.svg" alt="Denied"> Denied</td></tr><tr><td><pre><code>"IpAddress": {
  "aws:SourceIp": [
    "170.64.0.0/16",
    "2001:4860:4860::8888/32"
  ]
}
</code></pre></td><td><code>aws:SourceIp: 10.0.14.32</code></td><td><img src="https://iam.cloudcopilot.io/_astro/unknown.4jslFilM_ZFyvUV.svg" alt="Not Denied"> Not DeniedMay be allowed by another statement</td></tr></tbody></table>