| Date | IP Address |
| 2025-10-02 | 185.90.82.106 (ClassC) |
| Date | Domain | IP |
| ssob2b.pre.elcorteingles.es | 2025-07-11 | 185.90.82.144 |
| enovia3d.pre.elcorteingles.es | 2025-07-05 | 185.90.82.105 |
| 3ddashboard.pre.elcorteingles.es | 2025-07-07 | 185.90.82.104 |
| 3dspace.pre.elcorteingles.es | 2025-07-05 | 185.90.82.105 |
| 3dsearch.pre.elcorteingles.es | 2025-07-29 | 185.90.82.104 |
| sso.pre.elcorteingles.es | 2025-10-02 | 185.90.82.106 |
| fcs.pre.elcorteingles.es | 2025-03-06 | 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 | 2025-06-24 | 185.90.82.104 |