The Global IP Network is the Tier 1 IP backbone of NTT Ltd. NTT is a global leader in all Internet-related businesses. Our Tier 1 Global IP Network, consistently ranked among the top networks worldwide, spans the Americas, Europe, Asia and Oceania, providing the best possible environment for content, data and video transport through a single autonomous system number (AS 2914). The company’s highly reliable IP transit and DDoS protection services, along with extensive global private peering, keep our customers at the forefront of Internet technology. NTT Ltd. brings together 31 companies and organizations within the NTT Group, including NTT Communications, the Global IP Network, Dimension Data, NTT Security and Pacific Crossing, among others. Headquartered in London, the company employs more than 40,000 people in a diverse and dynamic workplace, and delivers services in over 200 countries and regions. NTT Ltd. is part of NTT, one of the world's largest companies in the Fortune Global 500 list of 2020.