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United Internet AG is a telecommunications and internet services provider headquartered in Montabaur, Germany. The company operates in the internet access and application sectors, offering a range of services including broadband and mobile access, hosting, and web-based productivity applications. Its major business segments include the Access segment, known for brands such as 1&1, and the Applications segment, which includes offerings through GMX, WEB.DE, and Ionos. United Internet was founded in 1988 by Ralph Dommermuth and has since expanded primarily through acquisitions and organic growth. The company has a significant presence in the European market with a focus on Germany. Its strategy emphasizes technological innovation and a scalable platform, aiming to provide comprehensive digital solutions to consumers and businesses.

Founded in 2002 and commonly known as SpaceX, the Space Exploration Technologies Corporation designs, manufactures, and operates a family of reusable rockets to launch various payloads into Earth orbit for government and commercial customers. Starting in 2019, the company began launching a constellation of its own communication satellites to provide mobile broadband and wireless services under the Starlink brand. In early 2026, the company acquired xAI from its founder, Elon Musk, which operates a large language artificial intelligence model named Grok, a gigawatt-scale data center called Colossus, and the social media network X.