The internet runs on two types of IP addresses: IPv4 and IPv6.
Most people have heard these terms…
but very few actually understand the difference.
👉 And here’s the important part:
👉 You are using one of them right now.
Check yours instantly:
👉 Check your IP here: https://tools.examineip.com
You’ll see:
- your IP version (IPv4 or IPv6)
- your location
- your network details
Let’s break it down in simple terms.
What Is IPv4?
IPv4 (Internet Protocol version 4) is the original system used to assign IP addresses.
Key features:
- Format: 4 numbers separated by dots
👉 Example: 192.168.0.1 - Address length: 32-bit
- Total addresses: ~4.3 billion
👉 This was enough in the early days of the internet — but not anymore.
What Is IPv6?
IPv6 (Internet Protocol version 6) is the newer version designed to replace IPv4.
Key features:
- Format: long hexadecimal addresses
👉 Example: 2001:0db8:85a3::8a2e:0370:7334 - Address length: 128-bit
- Address space: virtually unlimited
👉 IPv6 was created because the internet ran out of IPv4 addresses.
IPv4 vs IPv6: Key Differences
Here’s a simple comparison:
| Feature | IPv4 | IPv6 |
|---|---|---|
| Address Length | 32-bit | 128-bit |
| Format | 192.168.0.1 | 2001:db8::1 |
| Total Addresses | ~4.3 billion | ~340 undecillion |
| Availability | Limited | Almost unlimited |
| Security | Optional | Built-in (IPSec) |
Which One Are You Using?
Most users don’t know this — but your connection may use:
- IPv4 only
- IPv6 only
- or both (dual-stack)
👉 The easiest way to find out:
👉 Check your IP here: https://tools.examineip.com
Why IPv6 Matters (Even If You Don’t Notice It)
IPv6 isn’t just a technical upgrade.
It helps:
- support billions of new devices
- improve network efficiency
- reduce reliance on NAT (network sharing)
👉 In simple terms:
It keeps the internet scalable for the future.
Is IPv6 Safer Than IPv4?
This is a common question.
👉 Short answer: not automatically
IPv6 includes built-in security features (like IPSec), but:
- it still depends on configuration
- your activity can still be tracked
- your IP is still visible
👉 So privacy concerns still exist.
Does IPv6 Reveal More About You?
In some cases, yes.
IPv6 addresses can be:
- more persistent
- more identifiable
👉 This means tracking may actually become easier in some situations.
How to Protect Your IP Address
Whether you use IPv4 or IPv6:
👉 Your IP is still public.
Best solution: Use a VPN
A VPN:
- hides your real IP
- replaces it with another
- encrypts your connection
👉 Protect your IP here: PureVPN
Why Do Some Websites Still Use IPv4?
Even though IPv6 is newer:
- many systems are built for IPv4
- transition takes time
- compatibility issues still exist
👉 That’s why both versions are still used today.
IPv4 vs IPv6: Which Is Better?
👉 IPv6 is technically better:
- more addresses
- better scalability
- improved efficiency
👉 But IPv4 is still widely used and supported.
Check Your IP Version Instantly
You don’t need technical knowledge.
👉 Use our tool: https://tools.examineip.com
It shows:
- your IP version
- your location
- your ISP
- VPN detection
FAQ
What is the main difference between IPv4 and IPv6?
IPv4 uses shorter addresses and is limited, while IPv6 uses longer addresses and supports far more devices.
Can I switch from IPv4 to IPv6?
Usually your ISP controls this, but many networks support both.
Is IPv6 faster than IPv4?
In some cases, yes — but it depends on your network and provider.
Do I need IPv6?
Most users don’t need to worry — it works automatically in the background.
Final Thoughts
IPv4 and IPv6 are the backbone of the internet.
Most users never think about them —
but they affect how your data travels and how your device is identified.
👉 Start by checking what you’re using: https://tools.examineip.com
👉 Then decide if you want to protect it: PureVPN