RTT.ICU
Measure, Monitor, Master your Network
Free, fast, open-source network diagnostic tools
Domains → Ping Test · IP Addresses → IP Lookup · URLs → HTTP Reachability
Network Tools
Ping Test
Latency and packet loss from selected regions
Traceroute
Network path and hop timing to any target
MTR Test
Path quality, packet loss, and latency by hop
DNS Lookup
Resolve DNS records from selected regions
HTTP Reachability
Response status and timing for HTTP endpoints
IP Lookup
GeoIP location, ASN, ISP and network information
HTTP Headers
Inspect response headers and security signals