diff --git a/src/executor/docker.js b/src/executor/docker.js
index ac05a28..7b536f9 100644
--- a/src/executor/docker.js
+++ b/src/executor/docker.js
@@ -57,13 +57,12 @@ class DockerExecutor {
         });
     }
     generateRandomIPv4() {
-        // Generate random octets (numbers between 0 and 255)
-        const octet1 = Math.trunc(Math.random() * 256);
+        // Valid docker IP is in range 127.128.0.0/9
+        const octet1 = Math.trunc(Math.random() * 128) + 128;
         const octet2 = Math.trunc(Math.random() * 256);
         const octet3 = Math.trunc(Math.random() * 256);
 
-        // Construct the address with the "10." prefix
-        const ipAddress = `10.${octet1}.${octet2}.${octet3}`;
+        const ipAddress = `127.${octet1}.${octet2}.${octet3}`;
         return ipAddress;
     }
     /**
diff --git a/src/executor/nginx.js b/src/executor/nginx.js
index a08351c..9f19a3e 100644
--- a/src/executor/nginx.js
+++ b/src/executor/nginx.js
@@ -45,7 +45,7 @@ class NginxExecutor {
                         if (port > 0x400 && port < 0xFFFF) {
                             node._add(key, `http://${info.docker_ip}:${port}`);
                         }
-                    } else if (/^http:\/\/(10|127)\.\d+\.\d+\.\d+:\d+(\$.+|\/.+)?$/.test(config[key])) {
+                    } else if (/^http:\/\/127\.\d+\.\d+\.\d+:\d+(\$.+|\/.+)?$/.test(config[key])) {
                         node._add(key, config[key]);
                     }
                 } else {
@@ -271,7 +271,7 @@ class NginxExecutor {
         }
         const findDockerIp = (l) => {
             if (l.proxy_pass && l.proxy_pass[0]) {
-                if (/^http:\/\/10\.\d+\.\d+\.\d+:\d+$/.test(l.proxy_pass[0]._value)) {
+                if (/^http:\/\/127\.[12]\d\d\.\d+\.\d+:\d+$/.test(l.proxy_pass[0]._value)) {
                     return new URL(l.proxy_pass[0]._value).hostname;
                 }
             }