From experiments, 3BB operator gives the highest RTT ping packet loss about 0.01 % at Pathumthani site and 0.02 at Nonthaburi site. TOT operator introduces the lowest the mean RTT ping packet about 101 msec at Nonthaburi site while TRUE operator introduces the lowest about 82 msec at Pathumthani site. It is also found that the traffic congestion of the Internet Service Providers (ISP) in Thailand is different in various periods, which it is useful for the intelligent load balancer. Additionally, the seasonal internet traffic is found on during 06:00-08:00 A.M. and 05:00-0:700 P.M. for all operators. From Pathumthani site, the internet traffic on during 06:00 A.M. can be classified as the seasonality in everyday of week for both 3BB and TRUE. TOT is also seasonality except on only Thursday. From Nonthaburi site, the seasonality of the internet traffic appears during 06:00-08:00 A.M. on Friday, Saturday, and Sunday for three operators.