| Property | Value |
| Name | Takahiro Ochi |
| Organization | Japan College of Rheumatology |
| gakkaim@ryumachi-jp.com | |
| Zip Code | 105-0001 |
| City | Minato-ku |
| State | Tokyo |
| Country | JP |
| Phone | +81.352515353 |
| Fax | +81.352515354 |
| NameServer | 02.dnsv.jp |
| Created | 2002-03-01 15:27:20 |
| Changed | 2013-02-25 06:20:13 |
| Expires | 2018-03-01 00:00:00 |
| Registrar | GMO INTERNET, INC. D |
| Date | IP Address |
| 2013-10-12 | 180.222.185.78 (ClassC) |
| 2014-04-24 | 111.68.174.253 (ClassC) |
| 2014-07-03 | 111.68.174.253 (ClassC) |
| 2019-09-07 | 153.122.129.93 (ClassC) |
| 2025-01-09 | 153.120.92.156 (ClassC) |
| 2026-02-12 | 133.125.82.224 (ClassC) |
| Date | Domain | IP |
| admin.ryumachi-jp.com | 2025-11-13 | 153.120.92.156 |
| www.ryumachi-jp.com | 2025-01-07 | 153.120.92.156 |