diff --git a/cmd/istanbul/genesis/cmd.go b/cmd/istanbul/genesis/cmd.go
new file mode 100644
index 00000000..87281fae
--- /dev/null
+++ b/cmd/istanbul/genesis/cmd.go
@@ -0,0 +1,93 @@
+// Copyright 2017 AMIS Technologies
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package genesis
+
+import (
+	"encoding/json"
+	"fmt"
+	"math/big"
+	"net"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/p2p/discover"
+	"github.com/urfave/cli"
+
+	istcommon "github.com/getamis/istanbul-tools/common"
+	"github.com/getamis/istanbul-tools/genesis"
+)
+
+type validatorInfo struct {
+	Address  common.Address
+	Nodekey  string
+	NodeInfo string
+}
+
+var (
+	GenesisCommand = cli.Command{
+		Name:   "genesis",
+		Usage:  "Istanbul genesis block generator",
+		Action: gen,
+		Flags: []cli.Flag{
+			numOfValidatorsFlag,
+			staticNodesFlag,
+			verboseFlag,
+		},
+	}
+)
+
+func gen(ctx *cli.Context) error {
+	num := ctx.Int(numOfValidatorsFlag.Name)
+
+	keys, nodekeys, addrs := istcommon.GenerateKeys(num)
+	var nodes []string
+
+	if ctx.Bool(verboseFlag.Name) {
+		for i := 0; i < num; i++ {
+			v := &validatorInfo{
+				Address: addrs[i],
+				Nodekey: nodekeys[i],
+				NodeInfo: discover.NewNode(
+					discover.PubkeyID(&keys[i].PublicKey),
+					net.ParseIP("0.0.0.0"),
+					0,
+					uint16(30303)).String(),
+			}
+
+			str, _ := json.MarshalIndent(v, "", "\t")
+			fmt.Println(string(str))
+			nodes = append(nodes, string(v.NodeInfo))
+		}
+
+		fmt.Print("\n===========================================================\n\n")
+	}
+
+	if ctx.Bool(staticNodesFlag.Name) {
+		staticNodes, _ := json.MarshalIndent(nodes, "", "    ")
+		fmt.Println(string(staticNodes))
+		fmt.Print("\n===========================================================\n\n")
+	}
+
+	genesis := genesis.New(
+		genesis.Validators(addrs...),
+		genesis.Alloc(addrs, new(big.Int).Exp(big.NewInt(10), big.NewInt(50), nil)),
+	)
+
+	jsonBytes, _ := json.MarshalIndent(genesis, "", "    ")
+	fmt.Println(string(jsonBytes))
+
+	return nil
+}
diff --git a/cmd/istanbul/genesis/flags.go b/cmd/istanbul/genesis/flags.go
new file mode 100644
index 00000000..0842d316
--- /dev/null
+++ b/cmd/istanbul/genesis/flags.go
@@ -0,0 +1,36 @@
+// Copyright 2017 AMIS Technologies
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package genesis
+
+import "github.com/urfave/cli"
+
+var (
+	numOfValidatorsFlag = cli.IntFlag{
+		Name:  "num",
+		Usage: "Number of validators",
+	}
+
+	verboseFlag = cli.BoolFlag{
+		Name:  "verbose",
+		Usage: "Print more information",
+	}
+
+	staticNodesFlag = cli.BoolFlag{
+		Name:  "nodes",
+		Usage: "Print static-nodes.json",
+	}
+)
diff --git a/cmd/istanbul/main.go b/cmd/istanbul/main.go
index 153fd034..e6aef05d 100644
--- a/cmd/istanbul/main.go
+++ b/cmd/istanbul/main.go
@@ -23,6 +23,7 @@ import (
 	"github.com/urfave/cli"
 
 	"github.com/getamis/istanbul-tools/cmd/istanbul/extra"
+	"github.com/getamis/istanbul-tools/cmd/istanbul/genesis"
 	"github.com/getamis/istanbul-tools/cmd/utils"
 )
 
@@ -35,6 +36,7 @@ func main() {
 
 	app.Commands = []cli.Command{
 		extra.ExtraCommand,
+		genesis.GenesisCommand,
 	}
 
 	if err := app.Run(os.Args); err != nil {