The network management technology provider, which counts Cisco, Dell, Salesforce, Deutsche Telekom and Telstra as investors, has now raised $125m in total.

NS1, a US-based network traffic management software developer backed by corporates Cisco, Dell, Deutsche Telekom, Telstra and Salesforce, picked up $40m in series D funding on Tuesday.

Energy-focused investment firm Energy Impact Partners (EIP) led the round, which included unnamed existing shareholders and which was closed at a “significant increase” in valuation, NS1 said without revealing a figure.

Founded in 2013, NS1 has developed software-defined networking technology that automatically manages traffic from internet and enterprise applications to ensure connections remain…

Thierry Heles

Thierry Heles is editor-at-large of Global University Venturing and Global Corporate Venturing, and host of the Beyond the Breakthrough podcast.