IP subnetting, CIDR, bandwidth, WiFi coverage, TCP/IP, and network engineering calculators. All free, instant, no signup required.
Calculate network address, broadcast address, usable hosts, and subnet mask from any IP/CIDR input.
110,000 searches/mo Coming SoonConvert CIDR notation to subnet mask, calculate host range, network, and broadcast for any prefix length.
60,000 searches/mo Coming SoonCalculate required bandwidth for users, applications, or data transfers. Supports Mbps, Gbps, and Tbps.
49,000 searches/mo Coming SoonConvert subnet mask to CIDR prefix, calculate wildcard mask and number of usable hosts per subnet.
33,000 searches/mo Coming SoonFull IP address analysis: class, network/host portions, binary representation, and subnet information.
35,000 searches/mo Coming SoonVariable Length Subnet Masking calculator — allocate multiple subnets of different sizes from one block.
40,000 searches/mo Coming SoonDivide a network into subnets, view each subnet's range, broadcast, and usable host count.
22,000 searches/mo Coming SoonCalculate round-trip time, propagation delay, and end-to-end latency for any network path.
22,000 searches/mo Coming SoonCalculate how long a file transfer will take at any bandwidth speed. Supports KB to TB file sizes.
18,000 searches/mo Coming SoonConvert megabits per second to megabytes per second, and vice versa. Clear unit explanation included.
15,000 searches/mo Coming SoonConvert bits, bytes, kilobits, kilobytes, megabits, megabytes, gigabits, and gigabytes instantly.
12,000 searches/mo Coming SoonCalculate IPv6 network address, prefix, host range, and number of addresses for any IPv6 CIDR block.
10,000 searches/mo Coming SoonConvert SLA percentages (99.9%, 99.99%) to allowed downtime per year, month, week, and day.
12,000 searches/mo Coming SoonCalculate total bandwidth required for VoIP calls by codec, compression, and concurrent call count.
8,500 searches/mo Coming SoonEstimate wireless access point coverage area based on frequency, obstacles, and signal strength.
9,500 searches/mo Coming SoonLook up vendor OUI from any MAC address, convert formats, and validate MAC address structure.
11,000 searches/mo Coming SoonPlan AWS VPC subnet allocation, calculate available IPs per subnet accounting for AWS reserved addresses.
12,000 searches/mo Coming SoonCalculate theoretical 5G and LTE throughput from bandwidth, MIMO layers, and modulation scheme.
8,500 searches/mo Coming Soon