| Date | IP Address |
| 2023-11-13 | 76.76.21.22 (ClassC) |
| 2023-12-11 | 76.76.21.93 (ClassC) |
| 2024-01-29 | 76.76.21.61 (ClassC) |
| 2024-08-10 | 76.76.21.98 (ClassC) |
| 2024-09-28 | 76.76.21.142 (ClassC) |
| 2024-11-12 | 76.76.21.164 (ClassC) |
| 2024-12-12 | 76.76.21.241 (ClassC) |
| 2024-12-26 | 66.33.60.129 (ClassC) |
| 2025-02-03 | 66.33.60.193 (ClassC) |
| 2025-05-10 | 66.33.60.66 (ClassC) |
| 2025-06-29 | 76.76.21.123 (ClassC) |
| 2025-10-06 | 66.33.60.34 (ClassC) |
| Date | Domain | IP |
| arb1.arbitrum.io | 2023-08-26 | 104.22.64.211 |
| a4ba.arbitrum.io | 2024-12-19 | 104.22.64.211 |
| bridge.arbitrum.io | 2023-08-16 | 76.76.21.123 |
| arb1-graph.arbitrum.io | 2025-04-29 | 172.67.4.52 |
| arb1-sequencer.arbitrum.io | 2023-08-26 | 104.22.65.211 |
| www.arbitrum.io | 2023-11-13 | 76.76.21.22 |
| community.arbitrum.io | 2025-05-08 | 216.66.8.43 |