| Date | IP Address |
| 2020-12-09 | 104.119.189.232 (ClassC) |
| 2021-02-17 | 23.48.210.130 (ClassC) |
| 2026-02-15 | 23.41.4.73 (ClassC) |
| Date | Domain | IP |
| w3.w3-external.ibm.com | 2026-02-15 | 23.41.4.90 |
| w3-services1.w3.w3-external.ibm.com | 2026-02-15 | 23.41.4.73 |
| w3-publisher-w3-publisher-blog-service.w3.w3-external.ibm.com | 2025-10-25 | 23.41.4.90 |
| unified-profile-api.w3.w3-external.ibm.com | 2026-02-15 | 23.41.4.73 |
| w3-dev.w3.w3-external.ibm.com | 2025-10-24 | 23.216.145.12 |