Overview

Monitoring network usage helps identify bandwidth hogs, avoid data cap overages, and optimise internet performance. This guide covers router tools, software solutions, and device-level tracking.

Step 1: Router Built-in Monitoring Tools

1

Access Router Statistics

Log into router settings (192.168.1.1 or 192.168.0.1)
Look for Traffic Monitor, Statistics, or Bandwidth sections
View current upload/download speeds
See total data transferred today/this month
Check per-device usage if available

2

View Connected Devices and Usage

Device List or Connected Devices section
Shows all devices on network
Some routers display data used per device
Identify high-usage devices
Note device names and MAC addresses

3

Enable Traffic Monitoring (If Available)

Advanced settings, Traffic Monitor
Enable bandwidth monitoring
Set monitoring period (daily, weekly, monthly)
Some routers create graphs showing usage patterns
Track peak usage times

Router Limitations:

Basic routers may only show real-time speeds, not historical data. Modern routers (ASUS, Netgear Nighthawk, TP-Link Archer) have better monitoring features.

4

Check ISP Account Dashboard

Log into ISP account on their website
Find Usage, Data Usage, or My Account
View total monthly data usage
Check against data cap (if you have one)
See daily breakdown if available
Set up usage alerts

Step 2: Third-Party Monitoring Software

1

GlassWire (Windows - Free/Paid)

Download from glasswire.com
Monitors all network traffic on PC
Shows which apps using bandwidth
Real-time graphs and alerts
Free version: 7 days history, basic features
Paid version: Unlimited history, advanced alerts (£40/year)

2

NetWorx (Windows - Free)

Download from networxapp.com
Tracks bandwidth usage on computer
Creates detailed usage reports
Set custom quotas and alerts
Lightweight and simple interface
Completely free

3

Little Snitch (Mac - Paid)

Download from obdev.at/littlesnitch
Premium network monitoring for macOS
Shows all outgoing connections
Block unwanted connections
Detailed bandwidth statistics
Cost: £45 one-time purchase

4

PRTG Network Monitor (Whole Network - Free for Home)

Advanced solution for entire network monitoring
Download from paessler.com
Free for up to 100 sensors (sufficient for home)
Monitors all devices on network
Detailed graphs and reports
Requires dedicated PC to run monitoring software

5

Router Firmware Alternatives

DD-WRT or OpenWrt:

Custom firmware for routers with advanced features
Detailed bandwidth monitoring per device
Real-time and historical graphs
Requires compatible router and technical knowledge
Check dd-wrt.com for supported routers
Only for advanced users (can brick router if done incorrectly)

Step 3: Monitor Individual Devices

1

Windows Built-in Data Usage

Settings, Network & Internet, Data usage
View usage per app over last 30 days
See which applications using most data
Click app to see detailed statistics
Set data limit to receive warnings

2

Mac Activity Monitor

Applications, Utilities, Activity Monitor
Click Network tab
Shows current network activity per process
See sent and received data
Sort by "Sent Bytes" or "Rcvd Bytes" to find bandwidth hogs

3

iPhone/iPad Data Usage

Settings, Wi-Fi, Information icon next to network
Limited info compared to cellular data tracking
For cellular: Settings, Mobile Data
Reset statistics at start of billing period
Track which apps using most cellular data

4

Android Data Usage

Settings, Network & Internet, Data usage
View Wi-Fi data usage
See per-app breakdown
Set data warnings and limits
Restrict background data for specific apps

5

Smart TV and Streaming Devices

Most don't have built-in usage tracking
Monitor via router or network monitoring software
Video streaming uses most data: 1-7GB per hour depending on quality
4K streaming: 7GB/hour
HD streaming: 3GB/hour
SD streaming: 1GB/hour

Step 4: Set Data Limits and Alerts

1

Configure Router Data Limits

If router supports, set monthly data cap
Traffic Monitor, Set Limit
Enter your ISP data cap (e.g., 1000GB/month)
Set warning at 80% (800GB)
Router sends email alert when threshold reached

2

Set Per-Device Bandwidth Limits

QoS (Quality of Service) settings
Limit specific devices to percentage of bandwidth
Example: Kids' devices limited to 25% each
Prevents single device hogging all bandwidth
Prioritise important devices (work computers)

3

Schedule Bandwidth Limits by Time

Some routers allow time-based restrictions
Parental Controls or Access Control
Limit streaming during work hours
Block internet access during bedtime
Reduce gaming bandwidth during peak work times

4

Reduce Data Usage Tips

Lower video streaming quality (Settings in Netflix, YouTube)
Disable auto-play on social media apps
Turn off automatic cloud backups on metered connections
Disable background app updates
Download content on Wi-Fi for offline viewing
Use browser data saver extensions
Close streaming apps when not actively watching

5

Identify and Fix Bandwidth Hogs

Common culprits:

Video streaming (Netflix, YouTube, Disney+)
Online gaming downloads and updates
Cloud backups (Google Photos, iCloud, Dropbox)
Windows/Mac system updates
Smart home cameras uploading footage
Torrent applications running in background

Solutions:

Schedule large downloads for off-peak hours
Pause cloud backups during work hours
Limit video quality on streaming services
Disable auto-updates, update manually when convenient

6

Monitor Regularly

Check usage weekly, especially if near data cap
Review monthly reports from ISP
Identify usage trends and patterns
Adjust limits and priorities as needed
Educate family members about data usage

Pro Tip:

If consistently exceeding data cap, consider upgrading internet plan or switching to unlimited data. Overage fees often cost more than plan upgrade.