On this page, we present the measurement data we obtained for our large scale assessment of global TCP Initial Window distribution, based on i) scanning the entire IPv4 address space and ii) Alexa Top 1M toplist.
In case you use our data for your own research, please cite our paper. For other use, e.g., usage in blogs or other online presentations, a link is sufficient.

@inproceedings{iwIMC17, 
  title={{Large-Scale Scanning of TCP’s Initial Window}},
  author={Jan R\"uth and Christian Bormann and Oliver Hohlfeld},
  booktitle={Proceedings of the 2017 Internet Measurement Conference},
  year={2017}
}