# netstat > Displays active TCP connections, ports on which the computer is listening, network adapter statistics, the IP routing table, IPv4 statistics and IPv6 statistics. > More information: . - Display active TCP connections: `netstat` - Display all active TCP connections and the TCP and UDP ports on which the computer is listening: `netstat -a` - Display network adapter statistics, such as the number of bytes and packets sent and received: `netstat -e` - Display active TCP connections and express addresses and port numbers numerically: `netstat -n` - Display active TCP connections and include the process ID (PID) for each connection: `netstat -o` - Display the contents of the IP routing table: `netstat -r` - Display statistics by protocol: `netstat -s` - Display a list of currently open ports and related IP addresses: `netstat -an`