nc

~ nc -v -w 2 61.135.169.121 80

found 0 associations
found 1 connections:
     1: flags=82<CONNECTED,PREFERRED>
    outif en0
    src 192.168.55.15 port 57475
    dst 61.135.169.121 port 80
    rank info not available
    TCP aux info available

Connection to 61.135.169.121 port 80 [tcp/http] succeeded!