Federal Communications Commission Chairman Ajit Pai is facing mounting pressure from supporters of net neutrality to delay this week’s vote to roll back the Internet rules because of fake or fraudulent public comments filed with the commission.

The number of questionable submissions to the FCC regarding net neutrality is in the millions, according to numerous studies of the public record, and many who want to see the controversial rules remain in place worry that proceeding with the vote without addressing the state of the public record could erode the integrity of the comment process.