diff --git a/SenderBase.xml b/SenderBase.xml
new file mode 100644
index 0000000..28a3ba8
--- /dev/null
+++ b/SenderBase.xml
@@ -0,0 +1,8 @@
+<OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/" xmlns:moz="http://www.mozilla.org/2006/browser/search/">
+<ShortName>SenderBase</ShortName>
+<Description>IP lookup at Cisco's SenderBase</Description>
+<InputEncoding>UTF-8</InputEncoding>
+<Image width="16" height="16" type="image/gif">http://www.senderbase.org/favicon.ico</Image>
+<Url type="text/html" method="get" template="http://www.senderbase.org/lookup/?search_string={searchTerms}" />
+<moz:SearchForm>searchFormURL</moz:SearchForm>
+</OpenSearchDescription>