diff --git a/terraform/environments/dev/main.tf b/terraform/environments/dev/main.tf
index 9529a7e..c30402b 100644
--- a/terraform/environments/dev/main.tf
+++ b/terraform/environments/dev/main.tf
@@ -19,5 +19,4 @@ module "network" {
   frontend_cidr    = var.frontend_cidr
   backend_cidr     = var.backend_cidr
   database_cidr    = var.database_cidr
-  ssh_source_ranges = var.ssh_source_ranges
 }
diff --git a/terraform/environments/dev/variables.tf b/terraform/environments/dev/variables.tf
index 5c2914e..6fcdd41 100644
--- a/terraform/environments/dev/variables.tf
+++ b/terraform/environments/dev/variables.tf
@@ -27,3 +27,15 @@ variable "region"{
   type = string
   default = "10.0.5.0/24"
 }
+
+variable "project_id"{
+  description = "id of the project"
+  type = "string"
+  default = "10.0.6.0/24"
+}
+
+variable "ssh_source_ranges"{
+  description = "range of sources"
+  type = "string"
+  default = "10.0.7.0/24"
+}
diff --git a/terraform/modules/network/main.tf b/terraform/modules/network/main.tf
index 2d22b59..b36db6c 100644
--- a/terraform/modules/network/main.tf
+++ b/terraform/modules/network/main.tf
@@ -6,7 +6,7 @@ resource "google_compute_network" "vpc" {
 resource "frontend" "subnet" {
   name = "sub_fr"
   network = google_compute_network.vpc.id
-  ip_cidr_range = "10.200.6.3/24"
+  ip_cidr_range = "10.0.1.0/24"
   region = "europe-west9"
 
   allow {
@@ -21,7 +21,7 @@ resource "frontend" "subnet" {
 resource "backend" "subnet" {
   name = "sub_ba"
   network = google_compute_network.vpc.id
-  ip_cidr_range = "10.200.7.3/24"
+  ip_cidr_range = "10.0.2.0/24"
   region = "europe-west9"
 
   allow {
@@ -37,6 +37,6 @@ resource "backend" "subnet" {
 resource "database" "subnet" {
   name = "sub_da"
   network = google_compute_network.vpc.id
-  ip_cidr_range = "10.200.8.3/24"
+  ip_cidr_range = "10.0.3.0/24"
   region = "europe-west9"
 }