diff --git a/playbook.yml b/playbook.yml
index ee1eaca..c64dac1 100644
--- a/playbook.yml
+++ b/playbook.yml
@@ -13,7 +13,7 @@
       datacenter: "{{ hv.datacenter }}"
       folder: "{{ hv.folder }}"
       cluster: "{{ hv.cluster }}"
-      name: "{{ kubernetes.clustername | upper }}_{{ community.general.random(seed=item.ip, length=5, numbers=false, special=false) | upper }}"
+      name: "{{ kubernetes.clustername | upper }}_{{ (item.ip | checksum | regex_replace('[0-9]', ''))[0..5] | upper }}"
       guest_id: "{{ item.guest_id }}"
       hardware:
         memory_mb: 8192
@@ -24,7 +24,8 @@
         datastore: "{{ hv.datastore }}"
       networks:
       - name: "{{ hv.network }}"
-        ip: "{{ item.ip }}"
+        ip: "{{ item.ip | ansible.netcommon.ipaddr('address') }}"
+        netmask: "{{ item.ip | ansible.netcommon.ipaddr('netmask') }}"
       cdrom:
       - type: iso
         iso_path: "[{{ hv.isodatastore }}] {{ item.iso_path }}"