diff --git a/spug_api/apps/host/utils.py b/spug_api/apps/host/utils.py
index 097f201..feab7d5 100644
--- a/spug_api/apps/host/utils.py
+++ b/spug_api/apps/host/utils.py
@@ -202,6 +202,8 @@ def fetch_host_extend(ssh):
         code, out = ssh.exec_command_raw('hostname -I')
         if code == 0:
             for ip in out.strip().split():
+                if len(ip) > 15:   # ignore ipv6
+                    continue
                 if ipaddress.ip_address(ip).is_global:
                     if len(public_ip_address) < 10:
                         public_ip_address.add(ip)