diff --git a/rb/lib/selenium/webdriver/bidi.rb b/rb/lib/selenium/webdriver/bidi.rb
index 500f75859bc37..879ac260ec37e 100644
--- a/rb/lib/selenium/webdriver/bidi.rb
+++ b/rb/lib/selenium/webdriver/bidi.rb
@@ -25,6 +25,7 @@ class BiDi
       autoload :LogHandler, 'selenium/webdriver/bidi/log_handler'
       autoload :BrowsingContext, 'selenium/webdriver/bidi/browsing_context'
       autoload :Struct, 'selenium/webdriver/bidi/struct'
+      autoload :NetworkInspector, 'selenium/webdriver/bidi/network_inspector'
 
       def initialize(url:)
         @ws = WebSocketConnection.new(url: url)
diff --git a/rb/lib/selenium/webdriver/bidi/network_inspector.rb b/rb/lib/selenium/webdriver/bidi/network_inspector.rb
new file mode 100644
index 0000000000000..22dc72ee971ff
--- /dev/null
+++ b/rb/lib/selenium/webdriver/bidi/network_inspector.rb
@@ -0,0 +1,64 @@
+# frozen_string_literal: true
+
+# Licensed to the Software Freedom Conservancy (SFC) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The SFC licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+module Selenium
+  module WebDriver
+    class BiDi
+      class NetworkInspector
+        EVENTS = {
+          before_request_sent: 'beforeRequestSent',
+          fetch_error: 'fetchError',
+          response_completed: 'responseCompleted',
+          response_started: 'responseStarted'
+        }.freeze
+
+        def initialize(driver, browsing_context_ids = nil)
+          unless driver.capabilities.web_socket_url
+            raise Error::WebDriverError,
+                  'WebDriver instance must support BiDi protocol'
+          end
+
+          @bidi = driver.bidi
+          @bidi.session.subscribe('network.beforeRequestSent', browsing_context_ids)
+          @bidi.session.subscribe('network.responseStarted', browsing_context_ids)
+          @bidi.session.subscribe('network.responseCompleted', browsing_context_ids)
+        end
+
+        def before_request_sent(&)
+          on(:before_request_sent, &)
+        end
+
+        def response_started(&)
+          on(:response_started, &)
+        end
+
+        def response_completed(&)
+          on(:response_completed, &)
+        end
+
+        private
+
+        def on(event, &block)
+          event = EVENTS[event] if event.is_a?(Symbol)
+          @bidi.callbacks["network.#{event}"] << block
+        end
+      end # NetworkInspector
+    end # Bidi
+  end # WebDriver
+end # Selenium
diff --git a/rb/spec/integration/selenium/webdriver/bidi/network_inspector_spec.rb b/rb/spec/integration/selenium/webdriver/bidi/network_inspector_spec.rb
new file mode 100644
index 0000000000000..455cceb047956
--- /dev/null
+++ b/rb/spec/integration/selenium/webdriver/bidi/network_inspector_spec.rb
@@ -0,0 +1,202 @@
+# frozen_string_literal: true
+
+# Licensed to the Software Freedom Conservancy (SFC) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The SFC licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require_relative '../spec_helper'
+
+module Selenium
+  module WebDriver
+    class BiDi
+      describe NetworkInspector, only: {browser: %i[firefox]} do
+        let(:empty_page) { '/bidi/emptyPage.html' }
+        let(:empty_text) { '/bidi/emptyText.txt' }
+        let(:redirected_http_equiv) { '/bidi/redirected_http_equiv.html' }
+
+        it 'can listen to event before request is sent' do
+          reset_driver!(web_socket_url: true) do |driver|
+            before_request_event = []
+            inspector = described_class.new(driver)
+            inspector.before_request_sent do |event|
+              before_request_event.push(event) if event.dig('request', 'url').include? 'emptyPage.html'
+            end
+
+            driver.navigate.to url_for(empty_page)
+            wait.until { !before_request_event.empty? }
+
+            expect(before_request_event[0].dig('request', 'method')).to eq 'GET'
+            expect(before_request_event[0].dig('request', 'url')).to eq driver.current_url
+          end
+        end
+
+        it 'can request cookies' do
+          reset_driver!(web_socket_url: true) do |driver|
+            before_request_event = []
+            inspector = described_class.new(driver)
+            inspector.before_request_sent do |event|
+              before_request_event.push(event) if event.dig('request', 'url').include? 'emptyText.txt'
+            end
+
+            driver.navigate.to url_for(empty_text)
+            driver.manage.add_cookie name: 'north',
+                                     value: 'biryani'
+            driver.navigate.refresh
+            wait.until { !before_request_event.empty? }
+
+            expect(before_request_event[1].dig('request', 'method')).to eq 'GET'
+            expect(before_request_event[1].dig('request', 'url')).to eq driver.current_url
+            expect(before_request_event[1].dig('request', 'cookies', 0, 'name')).to eq 'north'
+            expect(before_request_event[1].dig('request', 'cookies', 0, 'value')).to eq 'biryani'
+
+            driver.manage.add_cookie name: 'south',
+                                     value: 'dosa'
+            driver.navigate.refresh
+
+            expect(before_request_event[2].dig('request', 'cookies', 1, 'name')).to eq 'south'
+            expect(before_request_event[2].dig('request', 'cookies', 1, 'value')).to eq 'dosa'
+          end
+        end
+
+        it 'can redirect http equiv' do
+          reset_driver!(web_socket_url: true) do |driver|
+            before_request_event = []
+            inspector = described_class.new(driver)
+            inspector.before_request_sent do |event|
+              if (event.dig('request', 'url').include? 'redirected_http_equiv.html') ||
+                 (event.dig('request', 'url').include? 'redirected.html')
+                before_request_event.push(event)
+              end
+            end
+
+            driver.navigate.to url_for(redirected_http_equiv)
+            wait.until { driver.current_url.include? 'redirected.html' }
+
+            expect(before_request_event[0].dig('request', 'method')).to eq 'GET'
+            expect(before_request_event[0].dig('request', 'url')).to include 'redirected_http_equiv.html'
+            expect(before_request_event[1].dig('request', 'method')).to eq 'GET'
+            expect(before_request_event[1].dig('request', 'url')).to include 'redirected.html'
+          end
+        end
+
+        it 'can subscribe to response started' do
+          reset_driver!(web_socket_url: true) do |driver|
+            on_response_started = []
+            inspector = described_class.new(driver)
+            inspector.response_started do |event|
+              on_response_started.push(event) if event.dig('request', 'url').include? 'emptyText.txt'
+            end
+
+            driver.navigate.to url_for(empty_text)
+            wait.until { !on_response_started.empty? }
+
+            expect(on_response_started[0].dig('request', 'method')).to eq 'GET'
+            expect(on_response_started[0].dig('request', 'url')).to eq driver.current_url
+            expect(on_response_started[0].dig('response', 'url')).to eq driver.current_url
+            expect(on_response_started[0].dig('response', 'fromCache')).to be false
+            expect(on_response_started[0].dig('response', 'mimeType')).to include 'text/plain'
+            expect(on_response_started[0].dig('response', 'status')).to eq 200
+            expect(on_response_started[0].dig('response', 'statusText')).to eq 'OK'
+          end
+        end
+
+        it 'test response started mime type' do
+          reset_driver!(web_socket_url: true) do |driver|
+            on_response_started = []
+            inspector = described_class.new(driver)
+            inspector.response_started do |event|
+              if (event.dig('request', 'url').include? 'emptyPage.html') ||
+                 (event.dig('request', 'url').include? 'emptyText.txt')
+                on_response_started.push(event)
+              end
+            end
+
+            # Checking mime type for 'html' text
+            driver.navigate.to url_for(empty_page)
+            wait.until { !on_response_started.empty? }
+
+            expect(on_response_started[0].dig('request', 'method')).to eq 'GET'
+            expect(on_response_started[0].dig('request', 'url')).to eq driver.current_url
+            expect(on_response_started[0].dig('response', 'url')).to eq driver.current_url
+            expect(on_response_started[0].dig('response', 'mimeType')).to include 'text/html'
+
+            # Checking mime type for 'plain' text
+            driver.navigate.to url_for(empty_text)
+            wait.until { !on_response_started.empty? }
+
+            expect(on_response_started[1].dig('request', 'method')).to eq 'GET'
+            expect(on_response_started[1].dig('request', 'url')).to eq driver.current_url
+            expect(on_response_started[1].dig('response', 'url')).to eq driver.current_url
+            expect(on_response_started[1].dig('response', 'mimeType')).to include 'text/plain'
+          end
+        end
+
+        it 'can subscribe to response completed' do
+          reset_driver!(web_socket_url: true) do |driver|
+            on_response_completed = []
+            inspector = described_class.new(driver)
+            inspector.response_completed do |event|
+              on_response_completed.push(event) if event.dig('request', 'url').include? 'emptyPage.html'
+            end
+
+            driver.navigate.to url_for(empty_page)
+            wait.until { !on_response_completed.empty? }
+
+            expect(on_response_completed[0].dig('request', 'method')).to eq 'GET'
+            expect(on_response_completed[0].dig('request', 'url')).to eq driver.current_url
+            expect(on_response_completed[0].dig('response', 'url')).to eq driver.current_url
+            expect(on_response_completed[0].dig('response', 'fromCache')).to be false
+            expect(on_response_completed[0].dig('response', 'mimeType')).to include 'text/html'
+            expect(on_response_completed[0].dig('response', 'status')).to eq 200
+            expect(on_response_completed[0].dig('response', 'statusText')).to eq 'OK'
+            expect(on_response_completed[0]['redirectCount']).to eq 0
+          end
+        end
+
+        it 'test response completed mime type' do
+          reset_driver!(web_socket_url: true) do |driver|
+            on_response_completed = []
+            inspector = described_class.new(driver)
+            inspector.response_completed do |event|
+              if (event.dig('request', 'url').include? 'emptyPage.html') ||
+                 (event.dig('request', 'url').include? 'emptyText.txt')
+                on_response_completed.push(event)
+              end
+            end
+
+            # Checking mime type for 'html' text
+            driver.navigate.to url_for(empty_page)
+            wait.until { !on_response_completed.empty? }
+
+            expect(on_response_completed[0].dig('request', 'method')).to eq 'GET'
+            expect(on_response_completed[0].dig('request', 'url')).to eq driver.current_url
+            expect(on_response_completed[0].dig('response', 'url')).to eq driver.current_url
+            expect(on_response_completed[0].dig('response', 'mimeType')).to include 'text/html'
+
+            # Checking mime type for 'plain' text
+            driver.navigate.to url_for(empty_text)
+            wait.until { !on_response_completed.empty? }
+
+            expect(on_response_completed[1].dig('request', 'method')).to eq 'GET'
+            expect(on_response_completed[1].dig('request', 'url')).to eq driver.current_url
+            expect(on_response_completed[1].dig('response', 'url')).to eq driver.current_url
+            expect(on_response_completed[1].dig('response', 'mimeType')).to include 'text/plain'
+          end
+        end
+      end
+    end
+  end
+end