IP Calc(ipv4/ipv6‪)‬ 4+

IPv4/IPv6 calculator with an AI assistant. Cancel runs, or clear input only. Pay once, use forever.

IP Calc is a must-have iPhone app for network engineers that performs IPv4/IPv6 address calculations with a single tap—now augmented by an AI Design Assistant for natural-language requests. It accelerates design and operations with accurate, explainable results, and it’s a one-time purchase (no subscription).

AI Design Assistant (New)
Type requests in plain language → execute
Examples: “MSS for MTU 1500 over VLAN + PPPoE + GRE”,
“From 198.51.100.0/23 exclude /26 and 198.51.101.128/25; return minimal CIDRs”.
Clarifying questions resolve ambiguity
Clear input (results persist) / Cancel running queries

Home & Favorites
History list with timestamps
Favorites for one-tap recall of frequent results
One-click delete/clear for individual or all history items

IPv4 Calculator
Direct input & CIDR slider (/0–/32)
Results: network/broadcast/wildcard, first/last host, total/usable hosts, global/private
Binary view ready for copy-paste
Save to history for quick re-runs
IPv4 Subnet Wizard
Specify a parent (e.g., 218.100.9.248/29)
Split to /30–/32 with auto count
Card list with CIDR/range/hosts, copy and details

IPv6 Calculator
Full ↔ compressed toggle
Prefix slider (/0–/128)
EUI-64 generation (FFFE insertion, bit flip)
Results: prefix, interface ID, address type, total count, binary view
IPv6 Subnet Wizard
Split a /64 to /68–/96
Generate up to 65,536 subnets with copy & details
Ideal for large sites and data centers