When checking ports some may not load just refresh the page and note some browsers have a list of unsafe ports.

Mobile phones may not run these test due to non-random source ports

Pick a range

Full range

Big dot test 1to999

1 to999

1000 to1999

2000 to2999

3000 to3999

4000 to4999

5000 to5999

6000 to6999

7000 to7999

8000 to8999

9000 to9999

10000 to10999

11000 to11999

12000 to12999

13000 to13999

14000 to14999

15000 to15999

16000 to16999

17000 to17999

18000 to18999

19000 to19999

20000 to20999

21000 to21999

22000 to22999

23000 to23999

24000 to24999

25000 to25999

26000 to26999

27000 to27999

28000 to28999

29000 to29999

30000 to30999

31000 to31999

32000 to32999

33000 to33999

34000 to34999

35000 to35999

36000 to36999

37000 to37999

38000 to38999

39000 to39999

40000 to40999

41000 to41999

42000 to42999

43000 to43999

44000 to44999

45000 to45999

46000 to46999

47000 to47999

48000 to48999

49000 to49999

50000 to50999

51000 to51999

52000 to52999

53000 to53999

54000 to54999

55000 to55999

56000 to56999

57000 to57999

58000 to58999

59000 to59999

60000 to60999

61000 to61999

62000 to62999

63000 to63999

64000 to65535