Block or unblock an IP or user. View the list of active blocks or calculate a rangeblock. See also the global IP block log and the log of local enabling/disabling of global blocks.

This is a log of user-block/unblock actions. Auto-blocked IP addresses are not listed here, but can be found at Special:AutoblockList. See Special:BlockList for the full list of currently operational blocks. See Wikipedia:Blocking policy for further details.

You may enter the name of the blocking/unblocking administrator and/or the user or IP who was blocked/unblocked.

Performer is the name of the admin, without any prefix

Target is the name of the user, IP or IP range, written with the prefix "User:"

• 12:15, 15 July 2010 Moonriddengirl talk contribs unblocked Matthew hk talk contribs (Clearly indicated understands problem. )
• 17:55, 4 July 2010 HJ Mitchell talk contribs blocked Matthew hk talk contribs with an expiration time of indefinite (account creation blocked) (issues with WP:CIR and/or WP:IDHT per http://en.wikipedia.org/w/index.php?title=Wikipedia:Administrators'_noticeboard/Incidents&oldid=371729874#Block_Request)
• 14:23, 6 October 2009 Aqwis talk contribs blocked Matthew hk talk contribs with an expiration time of 24 hours (account creation blocked) (Edit warring: at least 6 reverts on Charles K. Kao within 24 hours)