IPv4 to IPv6 Converter
Presets:
Dotted Decimal (0–255)
Optional Custom Mapping
Conversion Output Table
| IPv4 Input | IPv4-Mapped (Compressed) | 6to4 | Scope | Copy |
|---|---|---|---|---|
| Enter IPv4 addresses on the left and click "Convert List" | ||||
RFC 4291 Primary
IPv4-Mapped IPv6 (Compressed)
Expanded:
Octet-to-Hextet Mapping Flow
Octet 1
Hex:
Octet 2
Hex:
Octet 3
Hex:
Octet 4
Hex:
Hextet 7 (Bits 96–111):
Hextet 8 (Bits 112–127):
32-Bit Hex:
IPv6 Transition Standards
6to4 Transition (RFC 3056)
Expanded:
IPv4-Mapped Dotted-Decimal
Embeds standard dotted-decimal in lower 32 bits
NAT64 Well-Known Prefix (RFC 6052)
Expanded:
ISATAP Link-Local (RFC 5214)
Expanded:
IPv4-Compatible (RFC 4291 Deprecated)
Expanded:
Custom Enterprise Mapping
Encodings & Reverse DNS PTR
32-Bit Integer / Decimal
Unsigned continuous 32-bit integer
Hexadecimal (Full & Dotted)
Dotted Hex:
32-Bit Dotted Binary
Four 8-bit binary octets
Dotted Octal
Base-8 octal representation
Reverse DNS Pointer (in-addr.arpa)
6to4:
Network Tools
IPv4 to IPv6 Converter
Convert IPv4 addresses into standard IPv6 formats including IPv4-Mapped, 6to4, NAT64, ISATAP, hex, integer, and reverse DNS notations with instant client-side calculation and bulk batch support.
Real-time Conversion
100% Client-side & Private
Bulk Batch Processing
Quick Tip
Dual-stack networking applications typically use IPv4-Mapped IPv6 (::ffff:192.168.1.1 or ::ffff:c0a8:101) to handle incoming IPv4 connections seamlessly through standard IPv6 socket APIs.