What are the available socket ports in SDK/J?

According to the documentation

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Contact us for the available port numbers. Except for the following ports that are reserved for SDK/J platform,
most ports with numbers 50000 or above will be available.

TCP : 51001 - 51030
UDP : 51001 - 51030

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Below is a list of ports that are occupied:

MFP/LP system are using following ports:

52000
52001
53000
53001
53010
55001
55002
56000
56001
59100

SDK system and some SDK applications are using following ports:

50001
50003
50807
51001-51030
51443
52001
53000
53001
55001
55002
55003
57000
57070
57080
58080