netstat -n | awk '/^tcp/ {++S[$NF]} END {for(a in S) print a, S[a]}'
TIME_WAIT 12326
CLOSE_WAIT 9
FIN_WAIT1 12
ESTABLISHED 1604
FIN_WAIT2 287
SYN_RECV 104
LAST_ACK 19
netstat -n | awk '/^tcp/ {++S[$NF]} END {for(a in S) print a, S[a]}'
TIME_WAIT 12326
CLOSE_WAIT 9
FIN_WAIT1 12
ESTABLISHED 1604
FIN_WAIT2 287
SYN_RECV 104
LAST_ACK 19