zvelo, Inc. announced the immediate availability of the Invalid Traffic (IVT) dataset. zvelo's subscription-based IVT data service provides a continuous feed of IPs that support non-human traffic -- including traffic from data centers, web crawlers, fake crawlers, and malicious bots. Armed with this knowledge, buy-side and sell-side platforms can engage in pre-bid blocking of any websites engaging in behavior known to be fraudulent. Publishers can also take advantage of the IVT dataset to eliminate non-human traffic coming to their websites.