diff --git a/t/Plack-Handler/standalone.t b/t/Plack-Handler/standalone.t
index f5fcf266f..b42de16de 100644
--- a/t/Plack-Handler/standalone.t
+++ b/t/Plack-Handler/standalone.t
@@ -1,3 +1,9 @@
+BEGIN {
+  if ( $ENV{NO_NETWORK_TESTING} ) {
+    print '1..0 # SKIP Network connections required for this test';
+    exit;
+  }
+}
 use strict;
 use warnings;
 use Test::More;
diff --git a/t/Plack-Loader/shotgun.t b/t/Plack-Loader/shotgun.t
index cb7b95a7c..d9fe148ff 100644
--- a/t/Plack-Loader/shotgun.t
+++ b/t/Plack-Loader/shotgun.t
@@ -1,3 +1,9 @@
+BEGIN {
+  if ( $ENV{NO_NETWORK_TESTING} ) {
+    print '1..0 # SKIP Network connections required for this test';
+    exit;
+  }
+}
 use strict;
 use warnings;
 use Test::More;
diff --git a/t/Plack-Middleware/component-leak.t b/t/Plack-Middleware/component-leak.t
index 7cdab9914..2acedd017 100644
--- a/t/Plack-Middleware/component-leak.t
+++ b/t/Plack-Middleware/component-leak.t
@@ -1,3 +1,10 @@
+BEGIN {
+  if ( $ENV{NO_NETWORK_TESTING} ) {
+    print '1..0 # SKIP Network connections required for this test';
+    exit;
+  }
+}
+
 package MyComponent;
 use strict;
 use warnings;
diff --git a/t/Plack-Middleware/error_document_streaming_app.t b/t/Plack-Middleware/error_document_streaming_app.t
index b177c536f..c893e7bfc 100644
--- a/t/Plack-Middleware/error_document_streaming_app.t
+++ b/t/Plack-Middleware/error_document_streaming_app.t
@@ -1,3 +1,10 @@
+BEGIN {
+  if ( $ENV{NO_NETWORK_TESTING} ) {
+    print '1..0 # SKIP Network connections required for this test';
+    exit;
+  }
+}
+
 use strict;
 use warnings;
 use FindBin;
diff --git a/t/Plack-Middleware/stacktrace/sigdie.t b/t/Plack-Middleware/stacktrace/sigdie.t
index dc82b2c74..28747cf1e 100644
--- a/t/Plack-Middleware/stacktrace/sigdie.t
+++ b/t/Plack-Middleware/stacktrace/sigdie.t
@@ -1,3 +1,10 @@
+BEGIN {
+  if ( $ENV{NO_NETWORK_TESTING} ) {
+    print '1..0 # SKIP Network connections required for this test';
+    exit;
+  }
+}
+
 use strict;
 use warnings;
 use Test::More;
diff --git a/t/Plack-Middleware/stacktrace/utf8.t b/t/Plack-Middleware/stacktrace/utf8.t
index 6d2f51fff..77849dc8d 100644
--- a/t/Plack-Middleware/stacktrace/utf8.t
+++ b/t/Plack-Middleware/stacktrace/utf8.t
@@ -1,3 +1,10 @@
+BEGIN {
+  if ( $ENV{NO_NETWORK_TESTING} ) {
+    print '1..0 # SKIP Network connections required for this test';
+    exit;
+  }
+}
+
 use strict;
 use warnings;
 use Test::More;
diff --git a/t/Plack-Middleware/urlmap_ports.t b/t/Plack-Middleware/urlmap_ports.t
index 9a0a9c0a6..4ff4ba517 100644
--- a/t/Plack-Middleware/urlmap_ports.t
+++ b/t/Plack-Middleware/urlmap_ports.t
@@ -1,3 +1,9 @@
+BEGIN {
+  if ( $ENV{NO_NETWORK_TESTING} ) {
+    print '1..0 # SKIP Network connections required for this test';
+    exit;
+  }
+}
 use strict;
 use Test::More;
 use Plack::App::URLMap;
diff --git a/t/Plack-Test/2args.t b/t/Plack-Test/2args.t
index 2942f93b3..a68481d61 100644
--- a/t/Plack-Test/2args.t
+++ b/t/Plack-Test/2args.t
@@ -1,3 +1,10 @@
+BEGIN {
+  if ( $ENV{NO_NETWORK_TESTING} ) {
+    print '1..0 # SKIP Network connections required for this test';
+    exit;
+  }
+}
+
 use Plack::Test;
 use Test::More;
 use HTTP::Request::Common;
diff --git a/t/Plack-Test/hello_server.t b/t/Plack-Test/hello_server.t
index 47ffb75bc..dc9f4bd0e 100644
--- a/t/Plack-Test/hello_server.t
+++ b/t/Plack-Test/hello_server.t
@@ -1,3 +1,10 @@
+BEGIN {
+  if ( $ENV{NO_NETWORK_TESTING} ) {
+    print '1..0 # SKIP Network connections required for this test';
+    exit;
+  }
+}
+
 use Test::More;
 use Plack::Test;
 
diff --git a/t/Plack-Util/response_cb.t b/t/Plack-Util/response_cb.t
index 813dc871a..5cb31baf2 100644
--- a/t/Plack-Util/response_cb.t
+++ b/t/Plack-Util/response_cb.t
@@ -1,3 +1,10 @@
+BEGIN {
+  if ( $ENV{NO_NETWORK_TESTING} ) {
+    print '1..0 # SKIP Network connections required for this test';
+    exit;
+  }
+}
+
 use strict;
 use warnings;
 use Plack::Util;