In some ways it would be better if it had issues on all servers because that would mean it was completely inside their network. My best guess is your ISP has some kind of bottleneck between them and other ISP. I would still call the ISP and show them the results and have them see if they have any suggestions. This is getting less common since ISP networks and connections are so fast. Many ISP will unfortunately point to the "up to" fine print when they are stating the speed you can get. You would need to contact your ISP if you do. You should be able to run a very high utilization average values of say 90% with no change in the latency.
I would disable it in your PC nic settings and see if it runs any different. This causes all kinds of strange problems for people. What I notice from your post is you are using IPv6. This tends to cause packet loss and not delays. Now you could be taking errors and as load increases you get more errors. Use its bandwidth limit and set it to say 60% of your internet bandwidth.
A better test would be to use something like steam to download a game. Speedtest will attempt to push your connection to 100% so it is not really a valid test. You would only see this if you were running your connection at 100%. When you have enough bandwidth it will be sent immediately and not buffered. Data is only delayed if it is held in a buffer. You are correct the ping times will not increase because of only a small load. I will assume you have gigabit internet if not then it changes the answer somewhat. Note the speed you pay your ISP for is the only thing that matters. I could limit the bandwidth of my network to be under the limit (ie 450 mbps/20 mbps), but the spikes start occurring as early as 30 MB/s (240 mbps). What I'd like to know ping spikes I'm seeing is normal or not?Īt 480 mbps, I'm nowhere near the theoretical limit of any of the hardware on my local network, most of which is rated at or above 1Gbps. Would you say this behavior is "normal" or would you say this is an issue? I DO understand that the ping inevitably will go up when under load, just like any other computing component. The ping starts off normal, but once there is load introduced, it goes way up over 500, sometimes displaying the error "Request Timed Out." To simulate a load, I ran a command prompt "ping -t and ran an internet speed test beside it. My speeds are good, but once my internet is loaded, it begins to lag or even drop completely. So basically, I have my PC directly connected to my modem - bypassing the router altogether.