diff --git a/cmd/list.go b/cmd/list.go
index 845da29..b722c81 100644
--- a/cmd/list.go
+++ b/cmd/list.go
@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"strings"
+	"time"
 
 	"github.com/OpenCHAMI/magellan/internal/db/sqlite"
 
@@ -25,7 +26,7 @@ var listCmd = &cobra.Command{
 			fmt.Printf("%s\n", string(b))
 		} else {
 			for _, r := range probeResults {
-				fmt.Printf("%s:%d (%s)\n", r.Host, r.Port, r.Protocol)
+				fmt.Printf("%s:%d (%s) @ %s\n", r.Host, r.Port, r.Protocol, r.Timestamp.Format(time.UnixDate))
 			}
 		}
 	},
diff --git a/cmd/scan.go b/cmd/scan.go
index 563629f..5bb5019 100644
--- a/cmd/scan.go
+++ b/cmd/scan.go
@@ -7,6 +7,7 @@ import (
 	"os"
 	"path"
 	"strings"
+	"time"
 
 	magellan "github.com/OpenCHAMI/magellan/internal"
 	"github.com/OpenCHAMI/magellan/internal/db/sqlite"
@@ -76,7 +77,7 @@ var scanCmd = &cobra.Command{
 				fmt.Printf("%s\n", string(b))
 			} else {
 				for _, r := range probeStates {
-					fmt.Printf("%s:%d (%s)\n", r.Host, r.Port, r.Protocol)
+					fmt.Printf("%s:%d (%s) @ %s\n", r.Host, r.Port, r.Protocol, r.Timestamp.Format(time.UnixDate))
 				}
 			}
 		}
diff --git a/internal/db/sqlite/sqlite.go b/internal/db/sqlite/sqlite.go
index 213b2f3..7eb75a8 100644
--- a/internal/db/sqlite/sqlite.go
+++ b/internal/db/sqlite/sqlite.go
@@ -15,6 +15,7 @@ func CreateProbeResultsIfNotExists(path string) (*sqlx.DB, error) {
 		port INTEGER NOT NULL,
 		protocol TEXT,
 		state INTEGER,
+		timestamp TIMESTAMP,
 		PRIMARY KEY (host, port)
 	);
 	`
@@ -41,8 +42,8 @@ func InsertProbeResults(path string, states *[]magellan.ScannedResult) error {
 	// insert all probe states into db
 	tx := db.MustBegin()
 	for _, state := range *states {
-		sql := `INSERT OR REPLACE INTO magellan_scanned_ports (host, port, protocol, state) 
-		VALUES (:host, :port, :protocol, :state);`
+		sql := `INSERT OR REPLACE INTO magellan_scanned_ports (host, port, protocol, state, timestamp)
+		VALUES (:host, :port, :protocol, :state, :timestamp);`
 		_, err := tx.NamedExec(sql, &state)
 		if err != nil {
 			fmt.Printf("failed toexecute transaction: %v\n", err)
diff --git a/internal/scan.go b/internal/scan.go
index 56b064a..ef4ca41 100644
--- a/internal/scan.go
+++ b/internal/scan.go
@@ -12,20 +12,22 @@ import (
 )
 
 type ScannedResult struct {
-	Host     string `json:"host"`
-	Port     int    `json:"port"`
-	Protocol string `json:"protocol"`
-	State    bool   `json:"state"`
+	Host      string    `json:"host"`
+	Port      int       `json:"port"`
+	Protocol  string    `json:"protocol"`
+	State     bool      `json:"state"`
+	Timestamp time.Time `json:"timestamp"`
 }
 
 func rawConnect(host string, ports []int, timeout int, keepOpenOnly bool) []ScannedResult {
 	results := []ScannedResult{}
 	for _, p := range ports {
 		result := ScannedResult{
-			Host:     host,
-			Port:     p,
-			Protocol: "tcp",
-			State:    false,
+			Host:      host,
+			Port:      p,
+			Protocol:  "tcp",
+			State:     false,
+			Timestamp: time.Now(),
 		}
 		t := time.Second * time.Duration(timeout)
 		port := fmt.Sprint(p)