iiNet Limited is an Australian internet service provider and telecommunications company that sells NBN plans, 4G and 5G Home Wireless Internet and services on its ULTRA Broadband Cable, FTTB and VDSL2 networks. It also sells mobile phone sim-only plans using the Vodafone network.
iiNet was acquired by TPG in September 2015 for $1.56 billion but retained its retail brand name. iiNet acquired or merged with smaller ISPs, building a customer base in Western Australia and then, by acquiring ihug and OzEmail, expanded into the eastern states.