| Property | Value |
| Name | Arena Pharmaceuticals Inc. |
| Organization | Arena Pharmaceuticals, Inc. |
| webmaster@arenapharm.com | |
| Address | 6154 Nancy Ridge Drive |
| Zip Code | 92121 |
| City | San Diego |
| State | CA |
| Country | US |
| Phone | +1.8584537200 |
| Fax | +1.8584537210 |
| NameServer | dmtu.mt.ns.els-gms.att.net |
| Created | 1997-11-22 05:00:00 |
| Changed | 2014-11-17 06:25:34 |
| Expires | 2015-11-21 00:00:00 |
| Registrar | CSC CORPORATE DOMAIN |
| Date | IP Address |
| 2014-09-26 | 206.200.251.19 (ClassC) |
| 2018-04-24 | 104.79.138.252 (ClassC) |
| 2019-02-24 | 23.222.125.141 (ClassC) |
| 2019-04-22 | 23.64.118.147 (ClassC) |
| 2021-01-09 | 184.51.3.145 (ClassC) |
| 2021-04-10 | 172.232.13.33 (ClassC) |
| 2021-05-29 | 184.25.237.64 (ClassC) |
| 2021-07-29 | 184.25.237.162 (ClassC) |
| 2022-05-01 | 92.123.189.11 (ClassC) |
| 2023-03-02 | 23.202.90.154 (ClassC) |
| 2023-05-26 | 23.47.51.148 (ClassC) |
| 2024-07-27 | 23.46.17.5 (ClassC) |
| 2025-04-07 | 23.46.228.164 (ClassC) |
| 2025-07-09 | 23.46.228.167 (ClassC) |
| 2025-08-20 | 23.216.147.200 (ClassC) |
| 2025-10-29 | 23.59.88.9 (ClassC) |
| 2025-12-21 | 23.216.147.196 (ClassC) |
| 2026-01-20 | 23.59.88.37 (ClassC) |
| 2026-02-23 | 23.216.147.209 (ClassC) |
| Date | Domain | IP |
| investor.arenapharm.com | 2025-02-15 | 23.54.19.24 |
| invest.arenapharm.com | 2024-07-27 | 23.46.17.5 |