| Date | IP Address |
| 2019-08-27 | 52.48.124.153 (ClassC) |
| 2025-11-22 | 3.248.8.78 (ClassC) |
| Date | Domain | IP |
| spark-dashboard.preprod.wifispark.net | 2025-09-02 | 54.77.6.85 |
| nhs-basildonandthurrock-public-redirect.wifispark.net | 2025-09-30 | 34.252.114.200 |
| nhs-frimleywexham-public-redirect.wifispark.net | 2025-09-30 | 34.252.114.200 |
| nhs-frimleywexham-guest-redirect.wifispark.net | 2025-11-22 | 3.248.8.78 |
| nhs-ardenandgem-lincslchs-guest-redirect.wifispark.net | 2025-10-01 | 52.50.50.168 |