IP List distribution The History of Mathematics a Simple Guide to Big Ideas, total 4
| IP | Country | City | ISP |
|---|---|---|---|
| 104.28.222.140 | United States | San Francisco | Cloudflare |
| 156.146.37.111 | United States | Saddle Brook | Kate Spade & Company |
| 66.56.80.95 | United States | Las Vegas | Dino Solutions |
| 72.21.17.72 | United States | Orlando |