| Date | IP Address |
| 2026-02-23 | 185.90.82.104 (ClassC) |
| Date | Domain | IP |
| ssob2b.pre.elcorteingles.es | 2025-12-23 | 185.90.82.144 |
| enovia3d.pre.elcorteingles.es | 2025-12-23 | 185.90.82.105 |
| 3ddashboard.pre.elcorteingles.es | 2025-12-24 | 185.90.82.104 |
| 3dspace.pre.elcorteingles.es | 2025-07-05 | 185.90.82.105 |
| 3dsearch.pre.elcorteingles.es | 2025-12-21 | 185.90.82.104 |
| sso.pre.elcorteingles.es | 2026-02-12 | 185.90.82.106 |
| fcs.pre.elcorteingles.es | 2026-02-23 | 185.90.82.104 |
| cuenta-nft.pre.elcorteingles.es | 2024-07-13 | 23.44.175.134 |
| api-manager-nft.pre.elcorteingles.es | 2025-04-13 | 23.46.228.164 |
| apigateway-ext-nft.pre.elcorteingles.es | 2024-11-24 | 23.46.17.57 |
| 3dpassport.pre.elcorteingles.es | 2025-12-31 | 185.90.82.104 |