Increase in Number of Sources January 3rd and 4th: spoofed, (Mon, Jan 6th)

Justin C alerted me in our Slack channel that GreyNoise, a commercial system similar to DShield, noted a large increase in the number of sources scanning. We do have these “Spikes” from time to time and had one for the last two days. Artifacts are usually not lasting that long, and we also did not have a notable change in the number of submitters. So I took a quick look at the data, and here is what I found: