Line rate for 1gbps ethernet is over 1 million PPS, so you can definitely send the packets that fast. No promises the target will be able to respond that fast.

Line rate for 1gbps ethernet is over 1 million PPS, so you can definitely send the packets that fast. No promises the target will be able to respond that fast. See https://github.com/robertdavidgraham/masscan https://github.com/robertdavidgraham/masscan