diff --git a/baystation12.dme b/baystation12.dme
index 3143cb39c7c..cebbe82d3a8 100644
--- a/baystation12.dme
+++ b/baystation12.dme
@@ -823,6 +823,7 @@
 #include "code\modules\admin\player_panel.dm"
 #include "code\modules\admin\topic.dm"
 #include "code\modules\admin\ToRban.dm"
+#include "code\modules\admin\DB ban\ban_mirroring.dm"
 #include "code\modules\admin\DB ban\functions.dm"
 #include "code\modules\admin\permissionverbs\permissionedit.dm"
 #include "code\modules\admin\verbs\adminhelp.dm"
diff --git a/code/modules/admin/DB ban/ban_mirroring.dm b/code/modules/admin/DB ban/ban_mirroring.dm
new file mode 100644
index 00000000000..a2be1c78074
--- /dev/null
+++ b/code/modules/admin/DB ban/ban_mirroring.dm	
@@ -0,0 +1,65 @@
+#define BAD_CKEY 1
+#define BAD_IP 2
+#define BAD_CID 4
+
+/proc/handle_ban_mirroring(var/ckey, var/address, var/computer_id, var/ban_id)
+	if (!ckey || !address || !computer_id || !ban_id)
+		return
+
+	establish_db_connection()
+
+	if (!dbcon.IsConnected())
+		error("Ban database connection failure while attempting to mirror. Key passed for mirror handling: [ckey].")
+		log_misc("Ban database connection failure while attempting to mirror. Key passed for mirror handling: [ckey].")
+		return
+
+	ckey = ckey(ckey)
+
+	var/bad_data = BAD_CKEY|BAD_IP|BAD_CID
+
+	var/DBQuery/original_ban = dbcon.NewQuery("SELECT ckey, ip, computerid FROM ss13_ban WHERE id = :ban_id")
+	original_ban.Execute(list(":ban_id" = ban_id))
+
+	if (original_ban.NextRow())
+		var/original_ckey = original_ban.item[1]
+		var/original_address = original_ban.item[2]
+		var/original_computerid = original_ban.item[3]
+		if (original_ckey == ckey)
+			bad_data &= ~BAD_CKEY
+		if (original_address == address)
+			bad_data &= ~BAD_IP
+		if (original_computerid == computer_id)
+			bad_data &= ~BAD_CID
+
+		if (bad_data)
+			var/DBQuery/mirrored_bans = dbcon.NewQuery("SELECT player_ckey, ban_mirror_ip, ban_mirror_computerid FROM ss13_ban_mirrors WHERE ban_id = :ban_id")
+			mirrored_bans.Execute(list(":ban_id" = ban_id))
+
+			while (mirrored_bans.NextRow())
+				var/mirrored_ckey = mirrored_bans.item[1]
+				var/mirrored_address = mirrored_bans.item[2]
+				var/mirrored_computerid = mirrored_bans.item[3]
+
+				if ((bad_data & BAD_CKEY) && mirrored_ckey == ckey)
+					bad_data &= ~BAD_CKEY
+				if ((bad_data & BAD_IP) && mirrored_address == address)
+					bad_data &= ~BAD_IP
+				if ((bad_data & BAD_CID) && mirrored_computerid == computer_id)
+					bad_data &= ~BAD_CID
+
+			if (bad_data)
+				var/DBQuery/new_mirror = dbcon.NewQuery("INSERT INTO ss13_ban_mirrors (ban_id, player_ckey, ban_mirror_ip, ban_mirror_computerid, ban_mirror_datetime) VALUES (:ban_id, :ckey, :address, :computerid, NOW())")
+				new_mirror.Execute(":ban_id" = ban_id, ":ckey" = ckey, ":address" = address, ":computerid" = computer_id)
+
+				log_misc("Mirrored ban #[ban_id] for player [ckey] from [address]-[computer_id].")
+
+		return
+
+	else
+		error("No ban retreived while attempting to handle ban mirroring. Passed ban_id: [ban_id], ckey: [ckey].")
+		log_misc("No ban retreived while attempting to handle ban mirroring. Passed ban_id: [ban_id], ckey: [ckey].")
+		return
+
+#undef BAD_CID
+#undef BAD_IP
+#undef BAD_CKEY
diff --git a/code/modules/admin/DB ban/functions.dm b/code/modules/admin/DB ban/functions.dm
index ebaff981c59..e36fc4ff21f 100644
--- a/code/modules/admin/DB ban/functions.dm	
+++ b/code/modules/admin/DB ban/functions.dm	
@@ -473,6 +473,19 @@ datum/admins/proc/DB_ban_unban_by_id(var/id)
 					output += "<tr bgcolor='[dcolor]'>"
 					output += "<td align='center' colspan='5' bgcolor=''><b>EXPIRED at [expiration]</b></td>"
 					output += "</tr>"
+				if (bantype in list("PERMABAN", "TEMPBAN"))
+					var/mirror_count = 0
+					var/DBQuery/get_mirrors = dbcon.NewQuery("SELECT ban_mirror_id FROM ss13_ban_mirrors WHERE ban_id = :ban_id")
+					get_mirrors.Execute(list(":ban_id" = text2num(banid)))
+
+					while (get_mirrors.NextRow())
+						mirror_count++
+
+					if (mirror_count)
+						output += "<tr bgcolor='[dcolor]'>"
+						output += "<td align='center' colspan='5' bgcolor=''><b>Ban Mirrored [mirror_count] times!</b></td>"
+						output += "</tr>"
+
 				output += "<tr>"
 				output += "<td colspan='5' bgcolor='white'>&nbsp</td>"
 				output += "</tr>"
diff --git a/code/modules/admin/IsBanned.dm b/code/modules/admin/IsBanned.dm
index 65bab9687c2..da4f2af534b 100644
--- a/code/modules/admin/IsBanned.dm
+++ b/code/modules/admin/IsBanned.dm
@@ -52,20 +52,37 @@ world/IsBanned(key,address,computer_id)
 			failedcid = 0
 			cidquery = " OR computerid = '[computer_id]' "
 
-		var/DBQuery/query = dbcon.NewQuery("SELECT ckey, ip, computerid, a_ckey, reason, expiration_time, duration, bantime, bantype FROM ss13_ban WHERE (ckey = '[ckeytext]' [ipquery] [cidquery]) AND (bantype = 'PERMABAN'  OR (bantype = 'TEMPBAN' AND expiration_time > Now())) AND isnull(unbanned)")
+		var/pulled_ban_id = null
+		var/DBQuery/mirror_query = dbcon.NewQuery("SELECT ban_id FROM ss13_ban_mirrors WHERE player_ckey = '[ckeytext]' [address ? "OR ban_mirror_ip = '[address]'" : ""] [computer_id ? "OR ban_mirror_computerid = '[computer_id]'" : ""]")
+		mirror_query.Execute()
+
+		if (mirror_query.NextRow())
+			pulled_ban_id = text2num(mirror_query.item[1])
+
+		var/query_content = ""
+		if (pulled_ban_id)
+			query_content = "SELECT id, ckey, ip, computerid, a_ckey, reason, expiration_time, duration, bantime, bantype FROM ss13_ban WHERE id = '[pulled_ban_id]' AND (bantype = 'PERMABAN'  OR (bantype = 'TEMPBAN' AND expiration_time > Now())) AND isnull(unbanned)"
+		else
+			query_content = "SELECT id, ckey, ip, computerid, a_ckey, reason, expiration_time, duration, bantime, bantype FROM ss13_ban WHERE (ckey = '[ckeytext]' [ipquery] [cidquery]) AND (bantype = 'PERMABAN'  OR (bantype = 'TEMPBAN' AND expiration_time > Now())) AND isnull(unbanned)"
+
+		var/DBQuery/query = dbcon.NewQuery(query_content)
 
 		query.Execute()
 
 		while(query.NextRow())
-			var/pckey = query.item[1]
-			//var/pip = query.item[2]
-			//var/pcid = query.item[3]
-			var/ackey = query.item[4]
-			var/reason = query.item[5]
-			var/expiration = query.item[6]
-			var/duration = query.item[7]
-			var/bantime = query.item[8]
-			var/bantype = query.item[9]
+			var/ban_id = text2num(query.item[1])
+			var/pckey = query.item[2]
+			var/pip = query.item[3]
+			var/pcid = query.item[4]
+			var/ackey = query.item[5]
+			var/reason = query.item[6]
+			var/expiration = query.item[7]
+			var/duration = query.item[8]
+			var/bantime = query.item[9]
+			var/bantype = query.item[10]
+
+			if (pckey != ckeytext || (address && pip != address) || (computer_id && pcid != computer_id))
+				handle_ban_mirroring(key, address, computer_id, ban_id)
 
 			var/expires = ""
 			if(text2num(duration) > 0)
@@ -82,4 +99,3 @@ world/IsBanned(key,address,computer_id)
 		return ..()	//default pager ban stuff
 #endif
 #undef OVERRIDE_BAN_SYSTEM
-