$ipv6-range --prefix 2001:db8::/48

IPv6 Range Calculator

Enter an IPv6 prefix like 2001:db8::/32 to instantly calculate the start address, end address, and total number of addresses in the range. Visualize the full IPv6 address block boundaries — ideal for prefix delegation, address allocation, and planning IPv6 subnet assignments. Run the ipv6 address compressor to compress a manually entered IPv6 address before pasting it into a firewall rule or DNS record.

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Range Results

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