iBASIS is a communications provider based in Lexington, Massachusetts. iBASIS offers voice, mobile data, and IoT services. In February 2019, iBASIS was acquired by Tofane Global from KPN.
More than 1,000 mobile and fixed line telecommunications carriers and service providers outsourced some or all of their international voice traffic to iBASIS. It had one of the largest carriers of international voice traffic by 2007. iBASIS customers include many carriers, mobile operators, and emerging service providers including Verizon, Vodafone, VSNL, China Mobile, China Unicom, IDT Corporation, Qwest, Skype, Telecom Italia, and Telefonica.
The company also offers online pre-paid international calling services to business and consumer customers through a product called Pingo.
iBASIS was founded in 1996 by Ofer Gneezy and Gordon VanderBrug to provide wholesale international long distance services to carriers using Voice over Internet Protocol technology. It held an initial public offering in November 1999 and was ranked the No. 1 fastest growing company in New England for 2000, 2001 and 2002 by Deloitte & Touche.
In October 2007, iBASIS acquired KPN Global Carrier Services, the international voice business of KPN, the national carrier of the Netherlands. KPN became a majority stockholder of iBASIS as part of the transaction. The combined entity carried nearly 24 billion minutes of international voice traffic in 2007.