| Date | IP Address |
| 2019-01-20 | 52.84.87.229 (ClassC) |
| 2020-03-30 | 99.86.57.101 (ClassC) |
| 2020-03-30 | 99.84.247.60 (ClassC) |
| 2020-03-30 | 99.86.57.87 (ClassC) |
| 2020-03-30 | 99.86.57.9 (ClassC) |
| 2020-12-12 | 65.8.233.57 (ClassC) |
| 2020-12-12 | 65.8.233.70 (ClassC) |
| 2020-12-12 | 65.8.233.72 (ClassC) |
| 2023-02-18 | 13.224.132.101 (ClassC) |
| 2024-07-26 | 99.84.66.23 (ClassC) |
| 2024-08-25 | 99.84.66.44 (ClassC) |
| 2024-09-03 | 99.84.66.126 (ClassC) |
| 2024-12-17 | 18.172.170.115 (ClassC) |
| 2025-01-13 | 18.172.170.95 (ClassC) |
| Date | Domain | IP |
| image.secure.shift4.com | 2024-06-18 | 2.19.141.96 |
| tickets-api-staging.shift4.com | 2024-08-09 | 52.205.111.202 |
| signing.shift4.com | 2024-11-23 | 3.86.152.222 |
| blog.shift4.com | 2024-06-29 | 16.182.32.5 |
| lh.shift4.com | 2024-07-26 | 99.84.66.23 |
| tickets-api.shift4.com | 2024-08-09 | 52.86.152.141 |
| uploads.api.shift4.com | 2024-10-26 | 104.18.0.8 |
| dealer-portal.shift4.com | 2025-01-09 | 3.216.127.113 |
| api.dealer-portal.shift4.com | 2024-08-08 | 54.82.143.176 |
| bizportal.shift4.com | 2024-11-24 | 104.153.12.65 |
| mail.shift4.com | 2024-12-27 | 65.144.46.210 |
| tickets-api-develop.shift4.com | 2024-08-09 | 54.159.244.112 |
| sales.shift4.com | 2024-12-26 | 54.173.1.125 |
| residuals.shift4.com | 2024-05-05 | 99.84.66.67 |
| secure.integrations.shift4.com | 2024-08-30 | 108.138.94.117 |
| investors.shift4.com | 2024-07-22 | 52.52.15.7 |
| tickets.shift4.com | 2024-08-08 | 204.246.191.76 |
| support.shift4.com | 2023-08-04 | 34.192.208.175 |
| dev.shift4.com | 2024-12-27 | 104.18.28.72 |
| livewire-dev.shift4.com | 2024-01-31 | 52.71.113.204 |
| js.dev.shift4.com | 2024-10-02 | 18.161.6.108 |
| www.shift4.com | 2024-04-21 | 76.76.21.22 |