diff --git a/app/controllers/ip_bans_controller.rb b/app/controllers/ip_bans_controller.rb
index 823df0fc4..32b07dc5c 100644
--- a/app/controllers/ip_bans_controller.rb
+++ b/app/controllers/ip_bans_controller.rb
@@ -21,6 +21,14 @@ class IpBansController < ApplicationController
     respond_with(@ip_bans)
   end
 
+  def show
+    @ip_ban = authorize IpBan.find(params[:id])
+
+    respond_with(@ip_ban) do |format|
+      format.html { redirect_to ip_bans_path(search: { id: @ip_ban.id }) }
+    end
+  end
+
   def update
     @ip_ban = authorize IpBan.find(params[:id])
     @ip_ban.update(permitted_attributes(@ip_ban))
diff --git a/app/controllers/mod_actions_controller.rb b/app/controllers/mod_actions_controller.rb
index ca75db6a6..6eb847a1e 100644
--- a/app/controllers/mod_actions_controller.rb
+++ b/app/controllers/mod_actions_controller.rb
@@ -5,7 +5,11 @@ class ModActionsController < ApplicationController
 
   def index
     @mod_actions = ModAction.visible(CurrentUser.user).paginated_search(params)
-    @mod_actions = @mod_actions.includes(:creator) if request.format.html?
+
+    if request.format.html?
+      @mod_actions = @mod_actions.includes(:creator, :subject)
+      @dtext_data = DText.preprocess(@mod_actions.map(&:description))
+    end
 
     respond_with(@mod_actions)
   end
diff --git a/app/models/mod_action.rb b/app/models/mod_action.rb
index 4d1c7acca..ba2b3066f 100644
--- a/app/models/mod_action.rb
+++ b/app/models/mod_action.rb
@@ -67,12 +67,10 @@ class ModAction < ApplicationRecord
     ip_ban_delete: 162,
     ip_ban_undelete: 163,
     mass_update: 1000, # XXX unused
-    bulk_revert: 1001, # XXX unused
-    other: 2000,
   }
 
   def self.model_types
-    %w[Artist Comment CommentVote ForumPost ForumTopic IpBan ModerationReport Pool Post PostVote Tag TagAlias TagImplication User UserFeedback]
+    %w[Artist Comment CommentVote ForumPost ForumTopic IpBan ModerationReport Pool Post PostVote Tag TagAlias TagImplication User]
   end
 
   def self.visible(user)
diff --git a/app/views/mod_actions/_search.html.erb b/app/views/mod_actions/_search.html.erb
index f9000b1a7..33b74f997 100644
--- a/app/views/mod_actions/_search.html.erb
+++ b/app/views/mod_actions/_search.html.erb
@@ -1,7 +1,11 @@
 <%= search_form_for(mod_actions_path) do |f| %>
   <%= f.input :creator_name, label: "Creator", input_html: { value: params[:search][:creator_name], data: { autocomplete: "user" } } %>
   <%= f.input :description_matches, label: "Description", input_html: { value: params[:search][:description_matches] } %>
-  <%= f.input :category, label: "Category", collection: ModAction.categories.map {|k,v| [k.capitalize.tr("_"," "), v]}, include_blank: true,selected: params[:search][:category] %>
+  <% if params[:search][:subject_id].present? && params[:search][:subject_type] %>
+    <%= f.input :subject_id, label: "#{params[:search][:subject_type].titleize} ID", input_html: { value: params[:search][:subject_id] } %>
+  <% end %>
+  <%= f.input :subject_type, label: "Subject", collection: ModAction.model_types.map { |k, v| [k.titleize, k] }, include_blank: true, selected: params[:search][:subject_type] %>
+  <%= f.input :category, label: "Category", collection: ModAction.categories.map { |k, v| [k.capitalize.tr("_", " "), k] }, include_blank: true, selected: params[:search][:category] %>
   <%= f.input :order, collection: [%w[Newest created_at], %w[Oldest created_at_asc]], include_blank: true, selected: params[:search][:order] %>
   <%= f.submit "Search" %>
 <% end %>
diff --git a/app/views/mod_actions/index.html.erb b/app/views/mod_actions/index.html.erb
index 5bc064a9f..d6d8bb54c 100644
--- a/app/views/mod_actions/index.html.erb
+++ b/app/views/mod_actions/index.html.erb
@@ -5,14 +5,14 @@
     <%= render "search" %>
 
     <%= table_for @mod_actions, class: "striped autofit" do |t| %>
-      <% t.column "Message", td: {class: "col-expand"} do |mod_action| %>
+      <% t.column "Description", td: { class: "col-expand" } do |mod_action| %>
         <div class="prose">
-          <%= link_to_user mod_action.creator %> <%= format_text(mod_action.description.chomp(".").strip, inline: true) %>.
+          <%= link_to_user mod_action.creator %> <%= format_text(mod_action.description.chomp(".").strip, inline: true, data: @dtext_data) %>.
         </div>
       <% end %>
 
       <% t.column "Category" do |mod_action| %>
-        <%= link_to mod_action.category.humanize, mod_actions_path(search: { category: mod_action.category_id }) %>
+        <%= link_to mod_action.category.humanize, mod_actions_path(search: { category: mod_action.category }) %>
       <% end %>
 
       <% t.column "Created" do |mod_action| %>
@@ -20,6 +20,20 @@
         <%= link_to "»", mod_actions_path(search: { creator_name: mod_action.creator.name }) %>
         <div><%= time_ago_in_words_tagged(mod_action.created_at) %></div>
       <% end %>
+
+      <% t.column column: :control do |mod_action| %>
+        <% if mod_action.subject_id.present? %>
+          <%= render PopupMenuComponent.new do |menu| %>
+            <% menu.item do %>
+              <%= link_to "Details", mod_action.subject %>
+            <% end %>
+
+            <% menu.item do %>
+              <%= link_to "#{mod_action.subject_type.titleize.humanize} history", mod_actions_path(search: { subject_type: mod_action.subject_type, subject_id: mod_action.subject_id }) %>
+            <% end %>
+          <% end %>
+        <% end %>
+      <% end %>
     <% end %>
 
     <%= numbered_paginator(@mod_actions) %>
diff --git a/config/routes.rb b/config/routes.rb
index be40b590a..034419dcb 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -137,7 +137,7 @@ Rails.application.routes.draw do
     end
   end
   resources :forum_topic_visits, only: [:index]
-  resources :ip_bans, only: [:index, :new, :create, :update]
+  resources :ip_bans, only: [:index, :show, :new, :create, :update]
   resources :ip_addresses, only: [:show], id: /.+?(?=\.json|\.xml|\.html)|.+/
   resources :ip_geolocations, only: [:index]
   resource :iqdb_queries, :only => [:show, :create] do
diff --git a/test/factories/mod_action.rb b/test/factories/mod_action.rb
index 18ae08903..cd8a5ee33 100644
--- a/test/factories/mod_action.rb
+++ b/test/factories/mod_action.rb
@@ -1,7 +1,8 @@
 FactoryBot.define do
   factory(:mod_action) do
-    creator :factory => :user
-    description {"1234"}
-    category {"other"}
+    creator factory: :user
+    subject factory: :post
+    description { "undeleted post ##{subject_id}" }
+    category { "post_undelete" }
   end
 end
diff --git a/test/functional/ip_bans_controller_test.rb b/test/functional/ip_bans_controller_test.rb
index 096737160..3af8e78be 100644
--- a/test/functional/ip_bans_controller_test.rb
+++ b/test/functional/ip_bans_controller_test.rb
@@ -60,6 +60,26 @@ class IpBansControllerTest < ActionDispatch::IntegrationTest
       end
     end
 
+    context "show action" do
+      should "redirect for html" do
+        get_auth ip_ban_path(@ip_ban), @admin
+
+        assert_redirected_to ip_bans_path(search: { id: @ip_ban.id })
+      end
+
+      should "render for json" do
+        get_auth ip_ban_path(@ip_ban), @admin, as: :json
+
+        assert_response :success
+      end
+
+      should "render 403 for an unauthorized user" do
+        get ip_ban_path(@ip_ban)
+
+        assert_response 403
+      end
+    end
+
     context "update action" do
       should "mark an ip ban as deleted" do
         put_auth ip_ban_path(@ip_ban), @admin, params: { ip_ban: { is_deleted: true }, format: "js" }