Telecom operatorTier 2
1&1
Germany’s fourth mobile operator, of United Internet, building its own Open RAN network; mobile and DSL/fibre resale.
- Headquarters
- Parent
- 78.32%
- Customers
- ConsumerEnterprise
- Domains
- MobileFixed & fibre
- Website
- 1und1.de ↗
Brands it runs itself1
- winSIM, PremiumSIM, smartmobil.de and other Drillisch brands — own-network brand, not an MVNO; Drillisch Online discount brands, on the 1&1 network with Vodafone national roaming since November 2025
Relationships1
Owned by
- 31 Dec 2024
Signals1
- 24 Mar 2025
Ecosystem
owned by
- 78.32%active · 31 Dec 2024 · Documented