Private company

Unisphere Networks

Defunct networking equipment manufacturer

Unisphere Networks (formally Unisphere Solutions) was a Westford, Massachusetts-based networking equipment manufacturer and subsidiary of German corporation Siemens AG. Formed in 1998 at a cost of roughly US$1 billion, Unisphere was later sold to Juniper Networks in May 2002 for between $585 million and $740 million, as $375 million in cash and 36.5 million shares of Juniper stock.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1999Founded1
  • Industrycomputer hardware industry1
  • HeadquartersWestford1

Unisphere Networks (formally Unisphere Solutions) was a Westford, Massachusetts-based networking equipment manufacturer and subsidiary of German corporation Siemens AG. Formed in 1998 at a cost of roughly US$1 billion, Unisphere was later sold to Juniper Networks in May 2002 for between $585 million and $740 million, as $375 million in cash and 36.5 million shares of Juniper stock. Long known for their expertise in the circuit-switched realm of public-switched telephone networks (or PSTNs), Siemens embarked on a market strategy that held, as a primary goal, entry into the North American packet2

The story

Founded by Siemens in 1999.1

Products and brands

  • network security
  • networking hardware

Listed on Wikidata.1

Timeline

  1. 2002Dissolved Dissolved1
  2. 1999Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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  2. 2