NetBox Labs Raises $35M Series B for AI Network Infrastructure

NetBox Labs, a New York-based company spun out of NS1 following its acquisition by IBM, has raised $35 million in a Series B funding round led by NGP Capital, with participation from Sorenson Capital, Headline, and existing investors including Salesforce Ventures, IBM, Two Sigma Ventures, and others. The company is the commercial steward of the open-source NetBox platform, which has become a widely adopted system of record for network and infrastructure management, used by enterprises, hyperscalers, AI companies, and government agencies worldwide. NetBox Labs provides solutions that enable automation and comprehensive visibility of complex infrastructure, including AI-driven network operations, which are increasingly critical as AI demands surge and data center investments grow. Customers like CoreWeave, which builds AI data centers, credit NetBox with significantly accelerating deployment timelines, directly impacting revenue. The new funds will support global scaling, product innovation, and team growth across engineering, customer success, marketing, and sales. Overall, NetBox Labs is positioned as a foundational technology helping organizations modernize infrastructure management to meet the challenges and opportunities presented by AI-driven networking.