IiNet
| Company type | Subsidiary | 
|---|---|
| Industry | Telecommunications | 
| Founded | 1993 | 
| Founder | Michael Malone Michael O'Reilly | 
| Headquarters | Perth, Western Australia | 
| Area served | Australia | 
| Products | Internet access Mobile Telephony VoIP Broadband | 
| Parent | TPG Telecom | 
| Website | www | 
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.
iiNet also sells mobile phone sim-only plans using the Vodafone network.
iiNet was acquired by TPG in September 2015 for $1.56 billion TPG Telecom has continued to use the brand name iiNet for consumer telecommunications products.
Before its acquisition by TPG Telecom in 2015, iiNet acquired other ISPs, building a customer base in Western Australia,  and then expanding into the Eastern Sates, with major acquisitions including Internode and TransACT.