diff --git a/src/Mailgun/Api/Ip.php b/src/Mailgun/Api/Ip.php
new file mode 100644
index 0000000..c69f5ca
--- /dev/null
+++ b/src/Mailgun/Api/Ip.php
@@ -0,0 +1,116 @@
+<?php
+
+/*
+ * Copyright (C) 2013 Mailgun
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license. See the LICENSE file for details.
+ */
+
+namespace Mailgun\Api;
+
+use Mailgun\Assert;
+use Mailgun\Model\Ip\IndexResponse;
+use Mailgun\Model\Ip\ShowResponse;
+use Mailgun\Model\Ip\UpdateResponse;
+use Psr\Http\Message\ResponseInterface;
+
+/**
+ * {@link https://documentation.mailgun.com/en/latest/api-ips.html#ips}.
+ *
+ * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ */
+class Ip extends HttpApi
+{
+    /**
+     * Returns a list of IPs.
+     *
+     * @param bool $dedicated
+     *
+     * @return IndexResponse|ResponseInterface
+     */
+    public function index($dedicated = false)
+    {
+        Assert::boolean($dedicated);
+
+        $params = [
+            'dedicated' => $dedicated,
+        ];
+
+        $response = $this->httpGet('/v3/ips', $params);
+
+        return $this->hydrateResponse($response, IndexResponse::class);
+    }
+
+    /**
+     * Returns a list of IPs assigned to a domain.
+     *
+     * @param string $domain
+     *
+     * @return IndexResponse|ResponseInterface
+     */
+    public function domainIndex($domain)
+    {
+        Assert::stringNotEmpty($domain);
+
+        $response = $this->httpGet(sprintf('/v3/domains/%s/ip', $domain));
+
+        return $this->hydrateResponse($response, IndexResponse::class);
+    }
+
+    /**
+     * Returns a single ip.
+     *
+     * @param string $ip
+     *
+     * @return ShowResponse|ResponseInterface
+     */
+    public function show($ip)
+    {
+        Assert::ip($ip);
+
+        $response = $this->httpGet(sprintf('/v3/ips/%s', $ip));
+
+        return $this->hydrateResponse($response, ShowResponse::class);
+    }
+
+    /**
+     * Assign a dedicated IP to the domain specified.
+     *
+     * @param string $domain
+     * @param string $ip
+     *
+     * @return UpdateResponse|ResponseInterface
+     */
+    public function assign($domain, $ip)
+    {
+        Assert::stringNotEmpty($domain);
+        Assert::ip($ip);
+
+        $params = [
+            'id' => $ip,
+        ];
+
+        $response = $this->httpPost(sprintf('/v3/domains/%s/ips', $domain), $params);
+
+        return $this->hydrateResponse($response, UpdateResponse::class);
+    }
+
+    /**
+     * Unassign an IP from the domain specified.
+     *
+     * @param string $domain
+     * @param string $ip
+     *
+     * @return UpdateResponse|ResponseInterface
+     */
+    public function unassign($domain, $ip)
+    {
+        Assert::stringNotEmpty($domain);
+        Assert::ip($ip);
+
+        $response = $this->httpDelete(sprintf('/v3/domains/%s/ips/%s', $domain, $ip));
+
+        return $this->hydrateResponse($response, UpdateResponse::class);
+    }
+}
diff --git a/src/Mailgun/Model/Ip/IndexResponse.php b/src/Mailgun/Model/Ip/IndexResponse.php
new file mode 100644
index 0000000..4944784
--- /dev/null
+++ b/src/Mailgun/Model/Ip/IndexResponse.php
@@ -0,0 +1,57 @@
+<?php
+
+/*
+ * Copyright (C) 2013 Mailgun
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license. See the LICENSE file for details.
+ */
+
+namespace Mailgun\Model\Ip;
+
+use Mailgun\Model\ApiResponse;
+
+/**
+ * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ */
+final class IndexResponse implements ApiResponse
+{
+    /**
+     * @var string[]
+     */
+    private $items;
+
+    /**
+     * @var int
+     */
+    private $totalCount = 0;
+
+    private function __construct()
+    {
+    }
+
+    public static function create(array $data)
+    {
+        $model = new self();
+        $model->items = $data['items'];
+        $model->totalCount = $data['total_count'];
+
+        return $model;
+    }
+
+    /**
+     * @return string[]
+     */
+    public function getItems()
+    {
+        return $this->items;
+    }
+
+    /**
+     * @return int
+     */
+    public function getTotalCount()
+    {
+        return $this->totalCount;
+    }
+}
diff --git a/src/Mailgun/Model/Ip/ShowResponse.php b/src/Mailgun/Model/Ip/ShowResponse.php
new file mode 100644
index 0000000..86180fe
--- /dev/null
+++ b/src/Mailgun/Model/Ip/ShowResponse.php
@@ -0,0 +1,71 @@
+<?php
+
+/*
+ * Copyright (C) 2013 Mailgun
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license. See the LICENSE file for details.
+ */
+
+namespace Mailgun\Model\Ip;
+
+use Mailgun\Model\ApiResponse;
+
+/**
+ * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ */
+final class ShowResponse implements ApiResponse
+{
+    /**
+     * @var string
+     */
+    private $ip;
+
+    /**
+     * @var bool
+     */
+    private $dedicated;
+
+    /**
+     * @var string
+     */
+    private $rdns;
+
+    private function __construct()
+    {
+    }
+
+    public static function create(array $data)
+    {
+        $model = new self();
+        $model->ip = $data['ip'];
+        $model->dedicated = (bool) $data['dedicated'];
+        $model->rdns = $data['rdns'];
+
+        return $model;
+    }
+
+    /**
+     * @return string
+     */
+    public function getIp()
+    {
+        return $this->ip;
+    }
+
+    /**
+     * @return bool
+     */
+    public function getDedicated()
+    {
+        return $this->dedicated;
+    }
+
+    /**
+     * @return string
+     */
+    public function getRdns()
+    {
+        return $this->rdns;
+    }
+}
diff --git a/src/Mailgun/Model/Ip/UpdateResponse.php b/src/Mailgun/Model/Ip/UpdateResponse.php
new file mode 100644
index 0000000..cfa74ef
--- /dev/null
+++ b/src/Mailgun/Model/Ip/UpdateResponse.php
@@ -0,0 +1,43 @@
+<?php
+
+/*
+ * Copyright (C) 2013 Mailgun
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license. See the LICENSE file for details.
+ */
+
+namespace Mailgun\Model\Ip;
+
+use Mailgun\Model\ApiResponse;
+
+/**
+ * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ */
+final class UpdateResponse implements ApiResponse
+{
+    /**
+     * @var string
+     */
+    private $message;
+
+    private function __construct()
+    {
+    }
+
+    public static function create(array $data)
+    {
+        $model = new self();
+        $model->message = $data['message'];
+
+        return $model;
+    }
+
+    /**
+     * @return string
+     */
+    public function getMessage()
+    {
+        return $this->message;
+    }
+}
diff --git a/tests/Model/Ip/IndexResponseTest.php b/tests/Model/Ip/IndexResponseTest.php
new file mode 100644
index 0000000..6c1bf2c
--- /dev/null
+++ b/tests/Model/Ip/IndexResponseTest.php
@@ -0,0 +1,32 @@
+<?php
+
+/*
+ * Copyright (C) 2013 Mailgun
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license. See the LICENSE file for details.
+ */
+
+namespace Mailgun\Tests\Model\Ip;
+
+use Mailgun\Model\Ip\IndexResponse;
+use Mailgun\Tests\Model\BaseModelTest;
+
+class IndexResponseTest extends BaseModelTest
+{
+    public function testCreate()
+    {
+        $json =
+<<<'JSON'
+{
+  "items": ["192.161.0.1", "192.168.0.2"],
+  "total_count": 2
+}
+JSON;
+        $model = IndexResponse::create(json_decode($json, true));
+        $this->assertEquals(2, $model->getTotalCount());
+        $items = $model->getItems();
+        $this->assertCount(2, $items);
+        $this->assertEquals('192.161.0.1', $items[0]);
+    }
+}
diff --git a/tests/Model/Ip/ShowResponseTest.php b/tests/Model/Ip/ShowResponseTest.php
new file mode 100644
index 0000000..0708100
--- /dev/null
+++ b/tests/Model/Ip/ShowResponseTest.php
@@ -0,0 +1,32 @@
+<?php
+
+/*
+ * Copyright (C) 2013 Mailgun
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license. See the LICENSE file for details.
+ */
+
+namespace Mailgun\Tests\Model\Ip;
+
+use Mailgun\Model\Ip\ShowResponse;
+use Mailgun\Tests\Model\BaseModelTest;
+
+class ShowResponseTest extends BaseModelTest
+{
+    public function testCreate()
+    {
+        $json =
+<<<'JSON'
+{
+  "ip": "192.161.0.1",
+  "dedicated": true,
+  "rdns": "luna.mailgun.net"
+}
+JSON;
+        $model = ShowResponse::create(json_decode($json, true));
+        $this->assertEquals('192.161.0.1', $model->getIp());
+        $this->assertTrue($model->getDedicated());
+        $this->assertEquals('luna.mailgun.net', $model->getRdns());
+    }
+}
diff --git a/tests/Model/Ip/UpdateResponseTest.php b/tests/Model/Ip/UpdateResponseTest.php
new file mode 100644
index 0000000..61db162
--- /dev/null
+++ b/tests/Model/Ip/UpdateResponseTest.php
@@ -0,0 +1,28 @@
+<?php
+
+/*
+ * Copyright (C) 2013 Mailgun
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license. See the LICENSE file for details.
+ */
+
+namespace Mailgun\Tests\Model\Ip;
+
+use Mailgun\Model\Ip\UpdateResponse;
+use Mailgun\Tests\Model\BaseModelTest;
+
+class UpdateResponseTest extends BaseModelTest
+{
+    public function testCreate()
+    {
+        $json =
+<<<'JSON'
+{
+  "message": "success"
+}
+JSON;
+        $model = UpdateResponse::create(json_decode($json, true));
+        $this->assertEquals('success', $model->getMessage());
+    }
+}