diff --git a/reference/geoip/functions/geoip-isp-by-name.xml b/reference/geoip/functions/geoip-isp-by-name.xml
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+++ b/reference/geoip/functions/geoip-isp-by-name.xml
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+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- $Revision: 1.1 $ -->
+<refentry xml:id="function.geoip-isp-by-name" xmlns="http://docbook.org/ns/docbook">
+ <refnamediv>
+  <refname>geoip_isp_by_name</refname>
+  <refpurpose>Get the Internet Service Provider (ISP) name</refpurpose>
+ </refnamediv>
+ <refsect1 role="description">
+  &reftitle.description;
+  <methodsynopsis>
+   <type>string</type><methodname>geoip_isp_by_name</methodname>
+   <methodparam><type>string</type><parameter>hostname</parameter></methodparam>
+  </methodsynopsis>
+
+  <para>
+   The <function>geoip_isp_by_name</function> function will return the name of
+   the Internet Service Provider (ISP) that an IP is assigned to.
+  </para>
+  <para>
+   This function is currently only available to users who have bought a commercial
+   GeoIP ISP Edition. A warning will be issued if the proper database cannot be 
+   located.
+  </para>
+  
+ </refsect1>
+ <refsect1 role="parameters">
+  &reftitle.parameters;
+  <para>
+   <variablelist>
+    <varlistentry>
+     <term><parameter>hostname</parameter></term>
+     <listitem>
+      <para>
+       The hostname or IP address.
+      </para>
+     </listitem>
+    </varlistentry>
+   </variablelist>
+  </para>
+ </refsect1>
+ <refsect1 role="returnvalues">
+  &reftitle.returnvalues;
+  <para>
+   Returns the ISP name on success, or &false; if the address
+   cannot be found in the database.
+  </para>
+ </refsect1>
+
+ <refsect1 role="examples">
+  &reftitle.examples;
+  <para>
+   <example>
+    <title>A <function>geoip_isp_by_name</function> example</title>
+    <para>
+     This will print the ISP name of host example.com.
+    </para>
+    <programlisting role="php">
+<![CDATA[
+<?php
+$isp = geoip_isp_by_name('www.example.com');
+if ($isp) {
+    echo 'This host IP is from ISP: ' . $isp;
+}
+?>
+]]>
+    </programlisting>
+    &example.outputs;
+    <screen>
+<![CDATA[
+This host IP is allocated to: ICANN c/o Internet Assigned Numbers Authority
+]]>
+    </screen>
+   </example>
+  </para>
+ </refsect1>
+
+</refentry>
+
+<!-- Keep this comment at the end of the file
+Local variables:
+mode: sgml
+sgml-omittag:t
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+sgml-always-quote-attributes:t
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+sgml-parent-document:nil
+sgml-default-dtd-file:"../../../../manual.ced"
+sgml-exposed-tags:nil
+sgml-local-catalogs:nil
+sgml-local-ecat-files:nil
+End:
+vim600: syn=xml fen fdm=syntax fdl=2 si
+vim: et tw=78 syn=sgml
+vi: ts=1 sw=1
+-->