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ICMP echo test with round-trip latency and packet loss.
Ping sends ICMP echo request packets to a host and measures the round-trip time each reply takes, giving you the fastest possible read on whether a destination is reachable and how quickly it responds from our probe network.
Enter a hostname (example.org) or an IP address (203.0.113.10) and run the tool. The probe sends several echo requests from our edge location and reports each reply as it arrives.
Input: Hostname or IP — e.g. example.org.
Each line shows the sequence number, byte size, target IP, and round-trip time in milliseconds. The summary reports minimum, average and maximum latency plus packet loss. A "Request timed out" line means no reply was received for that probe — repeated timeouts indicate the host is unreachable, blocking ICMP, or down.
→ Verify a server or gateway is reachable after a change window.
→ Measure latency to a game, VoIP or CDN endpoint to diagnose lag.
→ Confirm packet loss on a flaky WAN or VPN tunnel.
→ Compare IPv4 vs IPv6 path latency to decide which to prefer.
Under 20 ms feels instantaneous and is typical on a LAN or nearby CDN edge. 20–100 ms is normal for intercontinental traffic, while anything above 150 ms starts to noticeably affect real-time applications like voice or gaming.
Many hosts and firewalls block ICMP echo requests for security or DDoS mitigation while still serving HTTP on port 443. A timeout therefore does not prove a host is down — it only proves ICMP is filtered. Use the Port Check tool to confirm the service itself is listening.
Packet loss is the percentage of echo requests that never received a reply. Anything above 0% on a stable connection suggests congestion, a flapping link, or rate-limiting. Sustained loss above 5% will degrade voice, video and gaming noticeably.