diff --git a/plugins/node/opentelemetry-instrumentation-memcached/src/utils.ts b/plugins/node/opentelemetry-instrumentation-memcached/src/utils.ts
index aa49f6c357..4cebd4112e 100644
--- a/plugins/node/opentelemetry-instrumentation-memcached/src/utils.ts
+++ b/plugins/node/opentelemetry-instrumentation-memcached/src/utils.ts
@@ -45,10 +45,18 @@ export const getPeerAttributes = (
 
   if (typeof server === 'string') {
     const [host, port] = server && server.split(':');
-    return {
-      [SemanticAttributes.NET_PEER_NAME]: host,
-      [SemanticAttributes.NET_PEER_PORT]: port,
-    };
+    if (host && port) {
+      const portNumber = parseInt(port, 10);
+      if (!isNaN(portNumber)) {
+        return {
+          [SemanticAttributes.NET_PEER_NAME]: host,
+          [SemanticAttributes.NET_PEER_PORT]: portNumber,
+        };
+      }
+      return {
+        [SemanticAttributes.NET_PEER_NAME]: host,
+      };
+    }
   }
   return {};
 };
diff --git a/plugins/node/opentelemetry-instrumentation-memcached/test/index.test.ts b/plugins/node/opentelemetry-instrumentation-memcached/test/index.test.ts
index 01f116d0fc..e676359c8a 100644
--- a/plugins/node/opentelemetry-instrumentation-memcached/test/index.test.ts
+++ b/plugins/node/opentelemetry-instrumentation-memcached/test/index.test.ts
@@ -36,7 +36,9 @@ const memoryExporter = new InMemorySpanExporter();
 
 const CONFIG = {
   host: process.env.OPENTELEMETRY_MEMCACHED_HOST || 'localhost',
-  port: process.env.OPENTELEMETRY_MEMCACHED_PORT || '11211',
+  port: process.env.OPENTELEMETRY_MEMCACHED_PORT ?
+    parseInt(process.env.OPENTELEMETRY_MEMCACHED_PORT)
+    : 27017
 };
 
 const DEFAULT_ATTRIBUTES = {
diff --git a/plugins/node/opentelemetry-instrumentation-mongodb/src/instrumentation.ts b/plugins/node/opentelemetry-instrumentation-mongodb/src/instrumentation.ts
index 3be3019848..02af814bf2 100644
--- a/plugins/node/opentelemetry-instrumentation-mongodb/src/instrumentation.ts
+++ b/plugins/node/opentelemetry-instrumentation-mongodb/src/instrumentation.ts
@@ -813,10 +813,11 @@ export class MongoDBInstrumentation extends InstrumentationBase {
     });
 
     if (host && port) {
-      span.setAttributes({
-        [SemanticAttributes.NET_PEER_NAME]: host,
-        [SemanticAttributes.NET_PEER_PORT]: port,
-      });
+      span.setAttribute(SemanticAttributes.NET_PEER_NAME, host);
+      const portNumber = parseInt(port, 10);
+      if (!isNaN(portNumber)) {
+        span.setAttribute(SemanticAttributes.NET_PEER_PORT, portNumber);
+      }
     }
     if (!commandObj) return;
     const dbStatementSerializer =
diff --git a/plugins/node/opentelemetry-instrumentation-mongodb/test/mongodb-v3.test.ts b/plugins/node/opentelemetry-instrumentation-mongodb/test/mongodb-v3.test.ts
index a8f0444839..938c00875a 100644
--- a/plugins/node/opentelemetry-instrumentation-mongodb/test/mongodb-v3.test.ts
+++ b/plugins/node/opentelemetry-instrumentation-mongodb/test/mongodb-v3.test.ts
@@ -49,7 +49,7 @@ describe('MongoDBInstrumentation-Tracing-v3', () => {
   }
 
   const URL = `mongodb://${process.env.MONGODB_HOST || DEFAULT_MONGO_HOST}:${
-    process.env.MONGODB_PORT || '27017'
+    process.env.MONGODB_PORT || 27017
   }`;
   const DB_NAME = process.env.MONGODB_DB || 'opentelemetry-tests';
   const COLLECTION_NAME = 'test';
@@ -585,7 +585,9 @@ describe('MongoDBInstrumentation-Tracing-v3', () => {
               );
               assert.strictEqual(
                 mongoSpan.attributes[SemanticAttributes.NET_PEER_PORT],
-                process.env.MONGODB_PORT || '27017'
+                process.env.MONGODB_PORT
+                  ? parseInt(process.env.MONGODB_PORT)
+                  : 27017
               );
               done();
             }
diff --git a/plugins/node/opentelemetry-instrumentation-mongodb/test/mongodb-v4-v5-v6.metrics.test.ts b/plugins/node/opentelemetry-instrumentation-mongodb/test/mongodb-v4-v5-v6.metrics.test.ts
index 189ff458d6..eb8d3b3946 100644
--- a/plugins/node/opentelemetry-instrumentation-mongodb/test/mongodb-v4-v5-v6.metrics.test.ts
+++ b/plugins/node/opentelemetry-instrumentation-mongodb/test/mongodb-v4-v5-v6.metrics.test.ts
@@ -76,7 +76,7 @@ describe('MongoDBInstrumentation-Metrics', () => {
   }
 
   const HOST = process.env.MONGODB_HOST || DEFAULT_MONGO_HOST;
-  const PORT = process.env.MONGODB_PORT || '27017';
+  const PORT = process.env.MONGODB_PORT || 27017;
   const DB_NAME = process.env.MONGODB_DB || 'opentelemetry-tests-metrics';
   const COLLECTION_NAME = 'test-metrics';
   const URL = `mongodb://${HOST}:${PORT}/${DB_NAME}`;
diff --git a/plugins/node/opentelemetry-instrumentation-mongodb/test/mongodb-v4.test.ts b/plugins/node/opentelemetry-instrumentation-mongodb/test/mongodb-v4.test.ts
index 724e33cffd..7fb8dc4fca 100644
--- a/plugins/node/opentelemetry-instrumentation-mongodb/test/mongodb-v4.test.ts
+++ b/plugins/node/opentelemetry-instrumentation-mongodb/test/mongodb-v4.test.ts
@@ -51,7 +51,7 @@ describe('MongoDBInstrumentation-Tracing-v4', () => {
   }
 
   const HOST = process.env.MONGODB_HOST || DEFAULT_MONGO_HOST;
-  const PORT = process.env.MONGODB_PORT || '27017';
+  const PORT = process.env.MONGODB_PORT || 27017;
   const DB_NAME = process.env.MONGODB_DB || 'opentelemetry-tests-traces';
   const COLLECTION_NAME = 'test-traces';
   const URL = `mongodb://${HOST}:${PORT}/${DB_NAME}`;
diff --git a/plugins/node/opentelemetry-instrumentation-mongodb/test/mongodb-v5-v6.test.ts b/plugins/node/opentelemetry-instrumentation-mongodb/test/mongodb-v5-v6.test.ts
index e9f80ad6c5..b264a44efe 100644
--- a/plugins/node/opentelemetry-instrumentation-mongodb/test/mongodb-v5-v6.test.ts
+++ b/plugins/node/opentelemetry-instrumentation-mongodb/test/mongodb-v5-v6.test.ts
@@ -60,7 +60,7 @@ describe('MongoDBInstrumentation-Tracing-v5', () => {
   }
 
   const HOST = process.env.MONGODB_HOST || DEFAULT_MONGO_HOST;
-  const PORT = process.env.MONGODB_PORT || '27017';
+  const PORT = process.env.MONGODB_PORT || 27017;
   const DB_NAME = process.env.MONGODB_DB || 'opentelemetry-tests-traces';
   const COLLECTION_NAME = 'test-traces';
   const URL = `mongodb://${HOST}:${PORT}/${DB_NAME}`;
diff --git a/plugins/node/opentelemetry-instrumentation-mysql/src/utils.ts b/plugins/node/opentelemetry-instrumentation-mysql/src/utils.ts
index 9eb7e90827..05eb1d809f 100644
--- a/plugins/node/opentelemetry-instrumentation-mysql/src/utils.ts
+++ b/plugins/node/opentelemetry-instrumentation-mysql/src/utils.ts
@@ -33,10 +33,22 @@ export function getConnectionAttributes(
   config: ConnectionConfig | PoolActualConfig
 ): SpanAttributes {
   const { host, port, database, user } = getConfig(config);
-
+  const portNumber = parseInt(port, 10);
+  if (!isNaN(portNumber)) {
+    return {
+      [SemanticAttributes.NET_PEER_NAME]: host,
+      [SemanticAttributes.NET_PEER_PORT]: portNumber,
+      [SemanticAttributes.DB_CONNECTION_STRING]: getJDBCString(
+        host,
+        port,
+        database
+      ),
+      [SemanticAttributes.DB_NAME]: database,
+      [SemanticAttributes.DB_USER]: user,
+    };
+  }
   return {
     [SemanticAttributes.NET_PEER_NAME]: host,
-    [SemanticAttributes.NET_PEER_PORT]: port,
     [SemanticAttributes.DB_CONNECTION_STRING]: getJDBCString(
       host,
       port,
diff --git a/plugins/node/opentelemetry-instrumentation-mysql2/src/utils.ts b/plugins/node/opentelemetry-instrumentation-mysql2/src/utils.ts
index 3091569a40..c38f5ac683 100644
--- a/plugins/node/opentelemetry-instrumentation-mysql2/src/utils.ts
+++ b/plugins/node/opentelemetry-instrumentation-mysql2/src/utils.ts
@@ -48,10 +48,22 @@ interface Config {
  */
 export function getConnectionAttributes(config: Config): SpanAttributes {
   const { host, port, database, user } = getConfig(config);
-
+  const portNumber = parseInt(port, 10);
+  if (!isNaN(portNumber)) {
+    return {
+      [SemanticAttributes.NET_PEER_NAME]: host,
+      [SemanticAttributes.NET_PEER_PORT]: portNumber,
+      [SemanticAttributes.DB_CONNECTION_STRING]: getJDBCString(
+        host,
+        port,
+        database
+      ),
+      [SemanticAttributes.DB_NAME]: database,
+      [SemanticAttributes.DB_USER]: user,
+    };
+  }
   return {
     [SemanticAttributes.NET_PEER_NAME]: host,
-    [SemanticAttributes.NET_PEER_PORT]: port,
     [SemanticAttributes.DB_CONNECTION_STRING]: getJDBCString(
       host,
       port,