diff --git a/cmd/echoip/main.go b/cmd/echoip/main.go
index 0ad6e72..1f64543 100644
--- a/cmd/echoip/main.go
+++ b/cmd/echoip/main.go
@@ -10,9 +10,9 @@ import (
 	"github.com/mpolden/echoip/http"
 	"github.com/mpolden/echoip/iputil"
 	"github.com/mpolden/echoip/iputil/geo"
+	"github.com/mpolden/echoip/iputil/ipstack"
 	parser "github.com/mpolden/echoip/iputil/paser"
-	"github.com/mpolden/echoip/iputil/stack"
-	"github.com/qioalice/ipstack"
+	ipstackApi "github.com/qioalice/ipstack"
 )
 
 type multiValueFlag []string
@@ -33,7 +33,7 @@ func init() {
 
 func main() {
 	var ipstackApiKey string
-	database := flag.String("d", "geoip", "Which database to use, 'ipstack' or 'geoip'")
+	service := flag.String("d", "geoip", "Which database to use, 'ipstack' or 'geoip'")
 	flag.StringVar(&ipstackApiKey, "S", "", "IP Stack API Key")
 	countryFile := flag.String("f", "", "Path to GeoIP country database")
 	cityFile := flag.String("c", "", "Path to GeoIP city database")
@@ -55,7 +55,7 @@ func main() {
 	}
 
 	var parser parser.Parser
-	if (*database == "geoip") {
+	if (*service == "geoip") {
 		geo, err := geo.Open(*countryFile, *cityFile, *asnFile)
 		if err != nil {
 			log.Fatal(err)
@@ -63,11 +63,11 @@ func main() {
 		parser = &geo
 	} 
 	
-	if (*database == "ipstack") {
-		if err := ipstack.Init(ipstackApiKey); err != nil { 
+	if (*service == "ipstack") {
+		if err := ipstackApi.Init(ipstackApiKey); err != nil { 
 			log.Fatal(err)
 		}
-		ips := stack.IPstackParser{}
+		ips := ipstack.IPStack{}
 		parser = &ips
 	} 
 	
diff --git a/html/index.html b/html/index.html
index 9557084..f669309 100644
--- a/html/index.html
+++ b/html/index.html
@@ -168,13 +168,18 @@
               </tr>
               {{ end }} {{ end }}
             </table>
-            {{ if .Country }}
+            {{ if .Country }} {{ if .Service == "geoip" }}
             <p>
               This information is provided from the GeoLite2 database created by
               MaxMind, available from
               <a href="https://www.maxmind.com">www.maxmind.com</a>
             </p>
-            {{ end }} {{ if .Latitude }}
+            {{ end}} {{ if .Service == "ipstack" }}
+            <p>
+              This information is provided from
+              <a href="https://www.ipstack.com">www.ipstack.com</a>
+            </p>
+            {{ end}} {{ end }} {{ if .Latitude }}
             <div class="pure-u-1 pure-u-md-1-1">
               <h2>Map</h2>
               <iframe
diff --git a/iputil/geo/geo.go b/iputil/geo/geo.go
index f40ab30..2a0a8be 100644
--- a/iputil/geo/geo.go
+++ b/iputil/geo/geo.go
@@ -81,6 +81,7 @@ func (g *geoip) Parse(ip net.IP, hostname string) (parser.Response, error) {
 		autonomousSystemNumber = fmt.Sprintf("AS%d", asn.AutonomousSystemNumber)
 	}
 	return parser.Response{
+		Service:    "ipstack",
 		IP:         ip,
 		IPDecimal:  ipDecimal,
 		Country:    country.Name,
diff --git a/iputil/stack/stack.go b/iputil/ipstack/ipstack.go
similarity index 85%
rename from iputil/stack/stack.go
rename to iputil/ipstack/ipstack.go
index ff8ee8b..6e2cd23 100644
--- a/iputil/stack/stack.go
+++ b/iputil/ipstack/ipstack.go
@@ -1,4 +1,4 @@
-package stack
+package ipstack
 
 import (
 	"fmt"
@@ -9,11 +9,11 @@ import (
 	"github.com/qioalice/ipstack"
 )
 
-type IPstackParser struct {
+type IPStack struct {
 	response *ipstack.Response
 }
 
-func (ips *IPstackParser) Parse(ip net.IP, hostname string) (parser.Response, error) {
+func (ips *IPStack) Parse(ip net.IP, hostname string) (parser.Response, error) {
 	res, err := ipstack.IP(ip.String()); 
 	ips.response = res
 	if err != nil { 
@@ -27,6 +27,7 @@ func (ips *IPstackParser) Parse(ip net.IP, hostname string) (parser.Response, er
 	
 
 	parserResponse := parser.Response{
+		Service:    "ipstack",
 		Latitude:   float64(res.Latitide),
 		Longitude:  float64(res.Longitude),
 		Hostname:   hostname,
@@ -58,6 +59,6 @@ func (ips *IPstackParser) Parse(ip net.IP, hostname string) (parser.Response, er
 	return parserResponse, nil
 }
 
-func (ips *IPstackParser) IsEmpty() bool {
+func (ips *IPStack) IsEmpty() bool {
 	return false
 }
diff --git a/iputil/paser/parser.go b/iputil/paser/parser.go
index 2543c52..4c5f21a 100644
--- a/iputil/paser/parser.go
+++ b/iputil/paser/parser.go
@@ -13,6 +13,7 @@ type Parser interface {
 }
 
 type Response struct {
+	Service   string               `json:"database"`
 	IP         net.IP               `json:"ip"`
 	IPDecimal  *big.Int             `json:"ip_decimal"`
 	Country    string               `json:"country,omitempty"`