IPv4 to IPv6 Converter
IPv6 Output:
Compressed:
Expanded (Shortened):
Fully Expanded:
This is an IPv4-mapped IPv6 address according to RFC 4291.
About IPv4 to IPv6 Tool
This tool converts any valid IPv4 address into its IPv4-mapped IPv6 equivalent using the standard notation defined in RFC 4291. It helps visualize how IPv4 translates into the IPv6 structure — both in compressed and expanded forms.
What is IPv4 and IPv6?
IPv4 is the fourth version of the Internet Protocol, using 32-bit addresses (e.g., 192.168.0.1). IPv6, its successor, uses 128-bit addresses and was introduced to address the limitations of IPv4, providing vastly more unique addresses.
Why Convert IPv4 to IPv6?
- To visualize IPv4-mapped IPv6 addresses
- To understand modern dual-stack network environments
- To aid network configuration and troubleshooting
Key Differences Between IPv4 and IPv6
- IPv4 uses 32-bit addresses, IPv6 uses 128-bit
- IPv4 format: numeric (dot-separated), IPv6: alphanumeric (colon-separated)
- IPv6 supports auto-configuration, IPSec, and removes the need for NAT
- IPv4 supports broadcasting; IPv6 uses multicast
More About IP Addressing and Privacy
Learn more about the differences between IP types, privacy issues, and how websites track your IP by exploring our in-depth articles:
FAQ – IPv4 and IPv6
How to convert IPv4 to IPv6 manually?
To convert manually, convert the IPv4 address into hexadecimal format. Then use the IPv4-mapped IPv6 structure: ::ffff:xxxx:yyyy. For example, 185.223.168.133 becomes ::ffff:b9df:a885.
Is there an IPv6 to IPv4 calculator?
Currently, our tool supports IPv4 to IPv6. Reverse mapping (IPv6 to IPv4) is possible only for IPv4-mapped addresses. We’re working on including this in future updates.