| Date | IP Address |
| 2023-06-07 | 108.156.60.101 (ClassC) |
| 2023-06-07 | 108.156.60.120 (ClassC) |
| 2023-06-07 | 99.86.38.86 (ClassC) |
| 2024-08-28 | 18.161.6.15 (ClassC) |
| 2025-09-08 | 18.161.6.26 (ClassC) |
| 2025-09-25 | 204.246.191.90 (ClassC) |
| 2025-11-23 | 18.161.6.12 (ClassC) |
| Date | Domain | IP |
| secure.grasshopper.com | 2024-10-02 | 44.218.11.56 |
| engineering.grasshopper.com | 2025-04-27 | 40.112.243.114 |
| mobile-auth.grasshopper.com | 2025-01-18 | 54.84.55.89 |
| mobile-api.grasshopper.com | 2025-01-18 | 54.172.182.142 |
| nuui.grasshopper.com | 2025-01-31 | 52.7.43.120 |
| portal.grasshopper.com | 2025-02-03 | 34.198.106.37 |
| dl.grasshopper.com | 2025-11-16 | 3.169.173.64 |
| signup.grasshopper.com | 2024-05-03 | 3.224.57.20 |
| connect-signup.grasshopper.com | 2024-05-03 | 54.234.229.11 |
| images.grasshopper.com | 2024-12-21 | 18.238.217.32 |
| nuui.us.grasshopper.com | 2025-06-30 | 52.87.60.34 |
| portal.us.grasshopper.com | 2025-06-28 | 52.44.56.225 |
| signup.us.grasshopper.com | 2024-10-13 | 18.213.197.229 |
| unified-inbox.us.grasshopper.com | 2024-03-09 | 18.161.6.19 |
| status.grasshopper.com | 2024-08-18 | 99.84.66.94 |
| webclient.grasshopper.com | 2024-08-28 | 18.161.6.15 |
| support.grasshopper.com | 2025-04-26 | 18.161.6.80 |
| www.grasshopper.com | 2023-11-01 | 13.92.193.110 |