| Date | IP Address |
| 2024-09-22 | 8.217.91.158 (ClassC) |
| 2024-12-24 | 8.217.205.40 (ClassC) |
| 2025-02-24 | 163.181.66.193 (ClassC) |
| 2025-03-07 | 155.102.61.3 (ClassC) |
| 2025-03-27 | 155.102.56.133 (ClassC) |
| 2025-04-16 | 155.102.55.86 (ClassC) |
| 2025-05-11 | 155.102.61.115 (ClassC) |
| 2025-07-08 | 8.45.176.230 (ClassC) |
| 2025-11-24 | 155.102.54.158 (ClassC) |
| 2026-01-24 | 155.102.56.53 (ClassC) |
| 2026-02-13 | 155.102.56.23 (ClassC) |
| Date | Domain | IP |
| api.51vcard.com | 2025-05-02 | 8.218.30.36 |
| m.51vcard.com | 2026-01-08 | 155.102.176.96 |