diff --git a/Changes b/Changes
index 6bcf003b..4e3aaeae 100644
--- a/Changes
+++ b/Changes
@@ -1,3 +1,9 @@
+2.052009 - 2022-06-xx
+
+  [NEW FEATURES]
+
+  * #889 implement renumber in the web interface
+
 2.052008 - 2022-06-12
 
   [NEW FEATURES]
diff --git a/lib/App/Netdisco/Web/AdminTask.pm b/lib/App/Netdisco/Web/AdminTask.pm
index a740ba88..2c7df48d 100644
--- a/lib/App/Netdisco/Web/AdminTask.pm
+++ b/lib/App/Netdisco/Web/AdminTask.pm
@@ -7,7 +7,7 @@ use Dancer::Plugin::Auth::Extensible;
 
 use NetAddr::IP qw/:rfc3021 :lower/;
 use App::Netdisco::JobQueue 'jq_insert';
-use App::Netdisco::Util::Device 'delete_device';
+use App::Netdisco::Util::Device qw/delete_device renumber_device/;
 
 sub add_job {
     my ($action, $device, $subaction) = @_;
@@ -46,6 +46,21 @@ foreach my $action (@{ setting('job_prio')->{high} },
     };
 }
 
+ajax qr{/ajax/control/admin/(?:\w+/)?renumber} => require_role setting('defanged_admin') => sub {
+    send_error('Missing device', 400) unless param('device');
+    send_error('Missing new IP', 400) unless param('newip');
+
+    my $device = NetAddr::IP->new(param('device'));
+    send_error('Bad device', 400)
+      if ! $device or $device->addr eq '0.0.0.0';
+
+    my $newip = NetAddr::IP->new(param('newip'));
+    send_error('Bad new IP', 400)
+      if ! $newip or $newip->addr eq '0.0.0.0';
+
+    return renumber_device( $device->addr, $newip->addr );
+};
+
 ajax qr{/ajax/control/admin/(?:\w+/)?delete} => require_role setting('defanged_admin') => sub {
     send_error('Missing device', 400) unless param('device');
 
diff --git a/share/public/css/netdisco.css b/share/public/css/netdisco.css
index c2f27456..8b8234e1 100644
--- a/share/public/css/netdisco.css
+++ b/share/public/css/netdisco.css
@@ -219,6 +219,11 @@ td > form.nd_inline-form {
   margin-bottom: 2px;
 }
 
+/* pull right admin buttons in the device details view */
+.nd_pull-right-admin-button {
+  margin-right: 4px;
+}
+
 /* fix layout of form fields inside the (pseudo devices) table */
 .nd_center-cell input {
   margin-bottom: 0px;
diff --git a/share/views/ajax/device/details.tt b/share/views/ajax/device/details.tt
index 0fc07588..002abb44 100644
--- a/share/views/ajax/device/details.tt
+++ b/share/views/ajax/device/details.tt
@@ -201,6 +201,10 @@
         <button class="btn btn-danger btn-small pull-right"
           data-toggle="modal" data-target="#nd_devdel" type="button">Delete</button>
 
+        <button class="btn btn-danger btn-small pull-right nd_pull-right-admin-button"
+          data-toggle="modal" data-target="#nd_devrenumber" type="button">Renumber</button>
+
+
         <div id="nd_devdel" class="nd_modal nd_deep-horizon modal hide fade" tabindex="-1"
           role="dialog" aria-labelledby="nd_devdel-label" aria-hidden="true">
           <div class="modal-header">
@@ -227,6 +231,29 @@
             <button class="btn btn-danger nd_adminbutton" name="delete" data-dismiss="modal">Confirm</button>
           </div>
         </div>
+
+        <div id="nd_devrenumber" class="nd_modal nd_deep-horizon modal hide fade" tabindex="-1"
+          role="dialog" aria-labelledby="nd_devrenumber-label" aria-hidden="true">
+          <div class="modal-header">
+            <button type="button" class="close" data-dismiss="modal" aria-hidden="true">x</button>
+            <h3 id="nd_devrenumber-label">Confirm Renumber: [% d.dns || d.ip | html_entity %]</h3>
+          </div>
+          <div class="modal-body">
+            <blockquote>
+              <ul>
+                <li><p>This action is run immediately</p></li>
+                <li><p>No check is made as to whether the new IP is reachable</p></li>
+              </ul>
+            </blockquote>
+            <textarea id="nd_devrenumber-newip" class="input-block-level" rows="1" data-form="renumber"
+              placeholder="Enter new IP address" name="newip"></textarea>
+            <input type="hidden" data-form="renumber" value="[% d.ip | html_entity %]" name="device"/>
+          </div>
+          <div class="modal-footer">
+            <button class="btn btn-success" data-dismiss="modal" aria-hidden="true">Cancel</button>
+            <button class="btn btn-danger nd_adminbutton" name="renumber" data-dismiss="modal">Confirm</button>
+          </div>
+        </div>
       </td>
     </tr>
     [% END %]