| Property | Value |
| Name | Costco Wholesale Corporation |
| Organization | Costco Wholesale Corporation |
| admincontact@costco.com | |
| Address | 999 Lake Drive |
| Zip Code | 98027 |
| City | Issaquah |
| State | WA |
| Country | US |
| Phone | +1.4253138100 |
| Fax | +1.4254273120 |
| NameServer | a6-67.akam.net |
| Created | 1997-03-12 05:00:00 |
| Changed | 2017-01-12 17:28:09 |
| Expires | 2017-03-13 00:00:00 |
| Registrar | CSC CORPORATE DOMAIN |
| Date | IP Address |
| 2025-05-31 | 170.167.255.19 (ClassC) |
| Date | Domain | IP |
| ppe1.costcotravel.com | 2023-08-25 | 23.74.133.131 |
| heron1.costcotravel.com | 2025-03-23 | 142.127.104.22 |
| api12.costcotravel.com | 2025-03-17 | 170.167.255.19 |
| api.costcotravel.com | 2025-05-31 | 170.167.255.19 |
| m.costcotravel.com | 2025-04-05 | 23.6.111.127 |
| www.costcotravel.com | 2023-08-26 | 104.100.70.126 |