Network Tools
Speed test, IPv6 connectivity, public IP and latency probes
Network Speed TestMeasure download and upload bandwidth on demand, with latency, jitter and a live throughput chart. Nothing is transferred until you press start.IPv6 Connectivity TestCheck IPv6 readiness the way test-ipv6 does: probe IPv4-only, IPv6-only and dual-stack hosts plus a large-packet transfer, then report a score out of 10, an itemised check list, your public addresses and their type (native, tunnel or NAT64).My IP and NetworkSee your public IP, address family and approximate location, plus browser, platform, timezone, screen and network type details.Network Latency ProbeSend several rounds of requests to this site and a set of public hosts, then report average, minimum, maximum, jitter and packet loss.Subnet CalculatorEnter a CIDR block for network and broadcast addresses, mask, usable range and host count.