| Date | IP Address |
| 2020-10-17 | 44.240.147.3 (ClassC) |
| 2020-10-31 | 52.41.249.90 (ClassC) |
| 2024-09-12 | 44.239.42.57 (ClassC) |
| 2025-02-01 | 35.167.85.7 (ClassC) |
| 2025-05-05 | 54.202.96.38 (ClassC) |
| 2025-07-12 | 34.211.99.53 (ClassC) |
| 2025-09-12 | 54.149.52.111 (ClassC) |
| 2025-09-18 | 44.239.29.84 (ClassC) |
| 2025-10-13 | 44.241.129.21 (ClassC) |
| 2025-11-07 | 35.85.74.200 (ClassC) |
| 2025-12-16 | 54.149.32.239 (ClassC) |
| 2025-12-24 | 44.228.232.172 (ClassC) |
| Date | Domain | IP |
| ch-provisioning.relay.school | 2025-10-04 | 54.69.123.63 |
| api-auth.relay.school | 2025-06-21 | 18.172.170.80 |
| reporting-api.relay.school | 2025-05-05 | 54.202.96.38 |
| staging-relay-ms-graph-api.relay.school | 2024-03-09 | 204.246.191.120 |
| development-relay-ms-graph-api.relay.school | 2025-08-01 | 3.175.34.27 |
| british-school-in.portal.relay.school | 2024-08-20 | 18.161.6.14 |
| centerville-city.portal.relay.school | 2024-08-25 | 18.161.6.14 |
| classroom.relay.school | 2024-01-09 | 3.163.24.97 |
| staging-classroom.relay.school | 2024-02-19 | 99.84.66.69 |
| development-classroom.relay.school | 2024-12-04 | 52.84.162.118 |
| devices.classroom.relay.school | 2025-06-06 | 52.26.82.242 |
| relay-co-api-production.relay.school | 2025-04-08 | 44.240.139.247 |
| sso.relay.school | 2024-12-15 | 99.84.66.81 |
| devices.filter.relay.school | 2025-10-09 | 3.175.34.25 |
| analytics.relay.school | 2025-07-31 | 99.83.186.106 |
| staging-analytics.relay.school | 2025-03-27 | 75.2.43.150 |
| prototype-speed-test.relay.school | 2024-03-10 | 18.161.6.128 |