1&1

In short: 1&1 is a German telecommunications provider based in Montabaur, part of United Internet.

In more detail: The company offers DSL, fibre and mobile. The hosting business was spun off under the name IONOS.

In Depth

Mobile

As the fourth network operator in Germany, 1&1 is building its own 5G network and in the meantime uses roaming in other providers’ networks.

Classification

See internet service provider, Telekom, Telefónica.

See also: Internet Service Provider, Telekom, Telefónica