Analysis of information sources in references of the Wikipedia article "Ephemeral port" in English language version.
the Dynamic Ports, also known as the Private or Ephemeral Ports, ... 49152-65535 (never assigned)
However, ephemeral port selection algorithms should use the whole range 1024–65535.
the Dynamic Ports, also known as the Private or Ephemeral Ports, ... 49152-65535 (never assigned)
The default values are 32768 and 60999 respectively.
note that the Linux 2.4 kernel will default the range of 32768 through 61000 if adequate kernel memory is available