Streamaudio offers free audiostreaming with Icecast since the end of 2013 to You.
There are 3 packages with up to 1000 listeners and You start with "stream32".
The difference are only the total listeners at the same time.
Streamaudio is noncommercial & good for most radiostations, clubs and events.
How You can get an account: read it here
Our servers are located in Riga & Göteborg @Makonix.
We run the servers with various Debian derivates like Wheezy / Jessie / Stretch, and streaming is provided with Icecast2 2.4.0 KH3 or Icecast2 2.4.2.
Every server is accessible via IPv4 & IPv6, what You can see beside the trafficstats here
Most commercial streamingprovider specify their serverconnection to the internet with multiple 10 or even 100 gigabit/s.
Thats hardly overstated and describes more the totally interconnect of the datacenter where the server belongs to.
I know, it sounds huge to the average user and You like it, but its not true.
Our server e.g. share a 10 gbit/s uplink, where dedicated 200 mbit/s are available.