IPv6 Calculator

Calculate IPv6 subnet information and analyze prefixes

Enter IPv6 address with CIDR notation (e.g., 2001:db8::/32)
Enter the prefix length for subnetting (must be larger than the original prefix)

📊 Network Information

Original Network:
Address Type:
Original Prefix:
New Subnet Prefix:
Total Subnets:
Addresses per Subnet:
Fixed Bits (Original Prefix):
Network Borrowed Bits:
Remaining Host Bits:
Subnet Increment:

🔒 First 5 Subnets

🔚 Last 5 Subnets

🔍 First 5 vs Last 5 Subnets Comparison

First 5 Subnets

Last 5 Subnets

Enter IPv6 address with CIDR notation (e.g., 2001:db8::/32)

📊 Prefix Information

Network Address:
Address Type:
Prefix Length:
Total Addresses:
Usable Hosts:
First IP Address:
Last IP Address:
Address Range:
Binary Representation:

📊 Decimal to Hexadecimal Conversion Table

1 → 0x01
2 → 0x02
3 → 0x03
4 → 0x04
5 → 0x05
6 → 0x06
7 → 0x07
8 → 0x08
9 → 0x09
10 → 0x0A
11 → 0x0B
12 → 0x0C
13 → 0x0D
14 → 0x0E
15 → 0x0F
16 → 0x10

IPv6 addresses use hexadecimal notation. This table shows decimal to hex conversion for common values.