Microsoft said today that the Aisuru botnet hit its Azure network with a 15.72 terabits per second (Tbps) DDoS attack, launched from over 500,000 IP addresses. [...]

https://www.bleepingcomputer.com/news/microsoft/microsoft-aisuru-botnet-used-500-000-ips-in-15-tbps-azure-ddos-attack/