Pawoo、AWSで運用されてますねー
https://www.wantedly.com/companies/pixiv/post_articles/59764
senooken JP Social is a social network, courtesy of senooken. It runs on GNU social, version 2.0.2-beta0, available under the GNU Affero General Public License.
All senooken JP Social content and data are available under the Creative Commons Attribution 3.0 license.