Intuitive subnet calculator for professionals and students.
The app calculates IPv4 and IPv6 subnets with live CIDR and prefix sliders. It splits networks, detects device IP, and allows navigation between adjacent subnets.
by Steven Eppler★ 4.07 ratingsUtilitiesFreeData updated 2026-09-20
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Calculate mask, broadcast address, network address, and available IP addresses based on input IP and bits. Perform offline calculations without internet connection.
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Calculate subnets for IPv4 and IPv6 networks. Input IP addresses via camera using OCR. Select subnet masks with a single click. Display network ranges, host counts, and broadcast addresses. Export results in text format.
Test reachability by sending packets to a host. Supports IPv4 and IPv6. Configure TTL, timeout, send interval, and packet size. Save favorite hosts for quick access. Run in background for up to 30 seconds. No ads or cost.
Manage network traffic with - routing for TCP, UDP, and ICMP protocols. Configure servers and apply rules on domain, IP-CIDR, or User-Agent. Support DNS over TCP, TLS, and HTTPS. Enable MitM, HTTP rewriting, and on-demand connections.