IPv6 Subnet Calculator for 2001::/128
Calculate subnet details for IPv6 network 2001:: with prefix length /128. Find network prefix, interface identifier, and address range.
Related Global Unicast Networks
Other Prefix Lengths for 2001::
About this Network
This calculator provides subnet details for the IPv6 network 2001:: with prefix length /128. This network is part of the Global Unicast address space and is typically used for Teredo tunneling.
Prefix Length Details
A /128 prefix length means: - Network portion: First 128 bits - Host portion: Remaining 0 bits - Total possible addresses: 2^0
Common Uses
A /128 prefix represents a single IPv6 address.
Global Unicast Address Space
Global Unicast addresses are the IPv6 equivalent of public IPv4 addresses. They are globally routable and reachable on the IPv6 Internet. The address space begins with binary 001 (2000::/3).
Technical Specifications
- Address Type: Global Unicast
- Primary Use Case: Teredo tunneling
- Prefix Length: /128
- Interface ID Bits: 0
Best Practices for /128 Networks
Specialized Use
Consider carefully before using prefixes longer than /64 as they may break some IPv6 features.
About this Calculator
Calculate subnet details for IPv6 network 2001:: with prefix length /128. Find network prefix, interface identifier, and address range.