Bàn mạng

Show headers, user agent, IP and connection details. The result stays on this page.

Ping Test. Ping a host from our servers. The result stays on this page.

Ping a host from many global locations. The result stays on this page.

Traceroute. The result stays on this page.

Common Port Scanner. Scan common ports on your own host. The result stays on this page.

List supported TLS versions and ciphers. The result stays on this page.

HTTP/3 & QUIC Checker. Check HTTP/2 and HTTP/3 support. The result stays on this page.

Internet Speed Test. Measure download/upload and latency. The result stays on this page.

Connect and send messages to a WebSocket endpoint. The result stays on this page.

Check certificate expiry for many hosts. The result stays on this page.

Latency matrix between cloud regions/cities. The result stays on this page.

Walk through BGP best-path selection steps. The result stays on this page.

Generate VLAN lists and ranges for configs. The result stays on this page.

STP Root Bridge Calculator. Predict root bridge from bridge IDs. The result stays on this page.

Calculate bridge ID from priority and VLAN. The result stays on this page.

Switches and ports needed for N users/devices. The result stays on this page.

Backplane, switching capacity and forwarding rate. The result stays on this page.

Access/uplink oversubscription calculator. The result stays on this page.

Trunk Allowed VLAN Builder. Build/merge trunk allowed VLAN lists. The result stays on this page.

Plan 802.1X, MAB and fallback per port type. The result stays on this page.

Plan end-to-end jumbo MTU across devices. The result stays on this page.

Ethernet Frame Size Calculator. Frame size with headers, tags and FCS. The result stays on this page.

Packets per second at line rate by frame size. The result stays on this page.

Effective throughput after preamble/IFG overhead. The result stays on this page.