diff --git a/src/Container/ContainerBuilder.php b/src/Container/ContainerBuilder.php
index b48576f..195b502 100644
--- a/src/Container/ContainerBuilder.php
+++ b/src/Container/ContainerBuilder.php
@@ -5,6 +5,7 @@
 namespace Faker\Core\Container;
 
 use Faker\Core\Extension\Extension;
+use Faker\Core\Extension\InternetExtension;
 use Faker\Core\Extension\LanguageExtension;
 use Faker\Core\Extension\LoremExtension;
 use Faker\Core\Implementation;
@@ -70,6 +71,7 @@ public static function defaultExtensions(): array
             ColorExtension::class => Implementation\Color::class,
             DateTimeExtension::class => Implementation\DateTime::class,
             FileExtension::class => Implementation\File::class,
+            InternetExtension::class => Implementation\Internet::class,
             LoremExtension::class => Implementation\Lorem::class,
             LanguageExtension::class => Implementation\Language::class,
             NumberExtension::class => Implementation\Number::class,
diff --git a/src/Extension/InternetExtension.php b/src/Extension/InternetExtension.php
new file mode 100644
index 0000000..8b058af
--- /dev/null
+++ b/src/Extension/InternetExtension.php
@@ -0,0 +1,65 @@
+<?php
+
+namespace Faker\Core\Extension;
+
+/**
+ * @experimental This interface is experimental and does not fall under our BC promise
+ */
+interface InternetExtension extends Extension
+{
+    /**
+     * @example my-name@example.com
+     */
+    public function email(): string;
+
+    /**
+     * @example 'jdoe'
+     */
+    public function username(): string;
+
+    /**
+     * @example 'fY4èHdZv68'
+     */
+    public function password(int $minLength = 6, int $maxLength = 20): string;
+
+    /**
+     * @example 'tiramisu.com'
+     */
+    public function domainName(): string;
+
+    /**
+     * @example 'com'
+     */
+    public function tld(): string;
+
+    /**
+     * @example 'https://faker.example.com/'
+     */
+    public function url(): string;
+
+    /**
+     * @example 'aut-repellat-commodi-vel-itaque-nihil-id-saepe-nostrum'
+     */
+    public function slug(int $wordCount = 6, bool $variableWordCount = true): string;
+
+    /**
+     * @example '237.149.115.38'
+     */
+    public function ipv4(): string;
+
+    /**
+     * @example '35cd:186d:3e23:2986:ef9f:5b41:42a4:e6f1'
+     */
+    public function ipv6(): string;
+
+    /**
+     * @see https://tools.ietf.org/html/rfc1918#section-3
+     * @example '10.1.1.17'
+     */
+    public function localIpv4(): string;
+
+    /**
+     * @example '32:F1:39:2F:D6:18'
+     */
+    public static function macAddress(): string
+}
diff --git a/src/Implementation/Internet.php b/src/Implementation/Internet.php
new file mode 100644
index 0000000..26e478f
--- /dev/null
+++ b/src/Implementation/Internet.php
@@ -0,0 +1,65 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Faker\Core\Implementation;
+
+use Faker\Core\Extension\InternetExtension;
+
+final class Internet implements InternetExtension
+{
+    public function email(): string
+    {
+        // TODO: Implement email() method.
+    }
+
+    public function username(): string
+    {
+        // TODO: Implement username() method.
+    }
+
+    public function password(int $minLength = 6, int $maxLength = 20): string
+    {
+        // TODO: Implement password() method.
+    }
+
+    public function domainName(): string
+    {
+        // TODO: Implement domainName() method.
+    }
+
+    public function tld(): string
+    {
+        // TODO: Implement tld() method.
+    }
+
+    public function url(): string
+    {
+        // TODO: Implement url() method.
+    }
+
+    public function slug(int $wordCount = 6, bool $variableWordCount = true): string
+    {
+        // TODO: Implement slug() method.
+    }
+
+    public function ipv4(): string
+    {
+        // TODO: Implement ipv4() method.
+    }
+
+    public function ipv6(): string
+    {
+        // TODO: Implement ipv6() method.
+    }
+
+    public function localIpv4(): string
+    {
+        // TODO: Implement localIpv4() method.
+    }
+
+    public static function macAddress(): string
+    {
+        // TODO: Implement macAddress() method.
+    }
+}