| bg.wikipedia.org | 00:22, 6 January 2015 |  (?) | — | 0 | |
| br.wikipedia.org | 13:47, 10 March 2015 | (?) | — | 0 | |
| ca.wikipedia.org | 00:18, 25 December 2014 | (?) | — | 0 | |
| ceb.wikipedia.org | 15:13, 3 May 2015 | (?) | — | 0 | |
| commons.wikimedia.org | 19:47, 12 October 2014 |  (?) | Blocked indefinitely.
Reason: Abusing multiple accounts: User:Mattisse - editing (sitewide)
- account creation disabled
- email disabled
| 51,136 | |
| crh.wikipedia.org | 23:58, 20 July 2015 | (?) | — | 1 | |
| cs.wikipedia.org | 21:15, 15 January 2015 | (?) | — | 0 | |
| cy.wikipedia.org | 21:46, 24 January 2015 | (?) | — | 0 | |
| de.wikipedia.org | 19:37, 18 October 2014 | (?) | — | 0 | |
| de.wikivoyage.org | 20:37, 30 December 2014 | (?) | — | 0 | |
| en.wikipedia.org | 20:23, 12 October 2014 | (?) | Blocked indefinitely.
Reason: {{checkuserblock-account}}: Please see: Wikipedia:Sockpuppet investigations/Mattisse - editing (sitewide)
- account creation disabled
| 2,665 | |
| en.wikibooks.org | 20:23, 12 October 2014 | (?) | — | 0 | |
| en.wikinews.org | 20:23, 12 October 2014 | (?) | — | 0 | |
| en.wikiquote.org | 20:23, 12 October 2014 | (?) | — | 0 | |
| en.wikisource.org | 20:27, 12 October 2014 | (?) | — | 0 | |
| en.wikiversity.org | 20:23, 12 October 2014 | (?) | — | 0 | |
| en.wikivoyage.org | 20:23, 12 October 2014 | (?) | — | 0 | |
| en.wiktionary.org | 20:23, 12 October 2014 | (?) | — | 0 | |
| eo.wikipedia.org | 14:31, 24 December 2014 | (?) | — | 0 | |
| es.wikipedia.org | 18:26, 18 October 2014 | (?) | — | 3 | |
| es.wikiversity.org | 20:23, 13 February 2015 | (?) | — | 0 | |
| et.wikipedia.org | 23:44, 2 January 2015 | (?) | — | 0 | |
| eu.wikipedia.org | 17:43, 15 February 2015 | (?) | — | 0 | |
| fa.wikipedia.org | 12:59, 8 March 2015 | (?) | — | 0 | |
| fr.wikipedia.org | 18:32, 18 October 2014 | (?) | — | 19 | |
| fr.wikibooks.org | 13:05, 11 February 2015 | (?) | — | 0 | |
| fr.wiktionary.org | 19:50, 15 March 2015 | (?) | — | 0 | |
| gl.wikipedia.org | 21:21, 7 March 2015 | (?) | — | 0 | |
| gu.wikipedia.org | 19:14, 26 December 2014 | (?) | — | 0 | |
| he.wikipedia.org | 20:31, 23 December 2014 | (?) | — | 0 | |
| hu.wikipedia.org | 13:53, 25 January 2015 | (?) | — | 0 | |
| hy.wikipedia.org | 18:58, 4 March 2015 | (?) | — | 0 | |
| id.wikipedia.org | 13:25, 25 January 2015 | (?) | — | 0 | |
| incubator.wikimedia.org | 20:23, 12 October 2014 | (?) | — | 0 | |
| it.wikipedia.org | 01:51, 6 November 2014 | (?) | — | 0 | |
| ja.wikipedia.org | 18:46, 26 December 2014 | (?) | — | 0 | |
| ko.wikipedia.org | 15:25, 19 January 2015 | (?) | — | 0 | |
| login.wikimedia.org | 19:47, 12 October 2014 | (?) | — | 0 | |
| lt.wikipedia.org | 19:03, 24 January 2015 | (?) | — | 0 | |
| www.mediawiki.org | 20:23, 12 October 2014 | (?) | — | 1 | |
| meta.wikimedia.org | 19:47, 12 October 2014 | (?) | — | 24 | |
| ml.wikipedia.org | 01:34, 15 February 2015 | (?) | — | 0 | |
| mn.wikipedia.org | 23:21, 12 February 2015 | (?) | — | 0 | |
| ms.wikipedia.org | 19:14, 28 December 2014 | (?) | — | 0 | |
| mwl.wikipedia.org | 01:38, 28 December 2014 | (?) | — | 0 | |
| nl.wikipedia.org | 17:14, 30 December 2014 | (?) | — | 0 | |
| nn.wikipedia.org | 22:10, 31 December 2014 | (?) | — | 0 | |
| no.wikipedia.org | 19:19, 30 December 2014 | (?) | — | 0 | |
| outreach.wikimedia.org | 21:24, 25 October 2014 | (?) | — | 0 | |
| pl.wikipedia.org | 19:35, 30 December 2014 | (?) | — | 0 | |
| pl.wikivoyage.org | 02:19, 15 January 2015 | (?) | — | 0 | |
| pl.wiktionary.org | 19:06, 30 December 2014 | (?) | — | 0 | |
| pt.wikipedia.org | 18:32, 26 December 2014 | (?) | — | 0 | |
| pt.wikibooks.org | 13:29, 29 March 2015 | (?) | — | 0 | |
| ro.wikipedia.org | 12:34, 6 November 2014 | (?) | — | 0 | |
| ru.wikipedia.org | 00:09, 23 October 2014 | (?) | — | 0 | |
| sh.wikipedia.org | 17:59, 15 January 2015 | (?) | — | 0 | |
| simple.wikipedia.org | 17:36, 6 January 2015 | (?) | — | 1 | |
| sl.wikipedia.org | 01:49, 6 November 2014 | (?) | — | 0 | |
| species.wikimedia.org | 20:23, 12 October 2014 | (?) | — | 0 | |
| sr.wikipedia.org | 13:57, 25 February 2015 | (?) | — | 0 | |
| sv.wikipedia.org | 15:05, 25 January 2015 | (?) | — | 0 | |
| tr.wikinews.org | 14:48, 29 December 2014 | (?) | — | 0 | |
| ty.wikipedia.org | 01:48, 6 November 2014 | (?) | — | 0 | |
| uk.wikipedia.org | 23:46, 26 December 2014 | (?) | — | 0 | |
| vec.wikipedia.org | 01:01, 6 March 2015 | (?) | — | 0 | |
| vi.wikipedia.org | 19:13, 30 December 2014 | (?) | — | 0 | |
| www.wikidata.org | 20:23, 12 October 2014 | (?) | — | 2 | |
| wikimania2014.wikimedia.org | 23:18, 22 January 2015 | (?) | — | 0 | |
| zh-yue.wikipedia.org | 20:27, 20 March 2015 | (?) | — | 0 | |
| zh.wikipedia.org | 01:50, 6 November 2014 | (?) | — | 0 | |
