Here is the info for how much experience it will take to reach the next level in CQC. Just as an example to how this is laid out, (Rank 1 - 600 exp) means it will take 600 exp to get from rank 1 to 2. Everytime you rank up, your exp drops back to 0.
Rank -
EXP to next level*** Spoiler - click to reveal ***1 - 600
2 - 645 (First rank where you unlock another ship to switch mid-match for an achievement)
3 - 693
4 - 745 (First rank where you can customize your loadout for an achievement)
5 - 801
6 - 861
7 - 926
8 - 995
9 - 1,070
10 - 1,150
11 - 1,237
12 - 1,329
13 - 1,429
14 - 1,536
15 - 1,651
16 - 1,775
17 - 1,908
18 - 2,052
19 - 2,205
20 - 2,371
21 - 2,549
22 - 2,740
23 - 2,945
24 - 3,166
25 - 3,404
26 - 3,659
27 - 3,933
28 - 4,228
29 - 4,546
30 - 4,886
31 - 5,253
32 - 5,647
33 - 6,070
34 - 6,526
35 - 7,015
36 - 7,541
37 - 8,107
38 - 8,715
39 - 9,369
40 - 10,071
41 - 10,827
42 - 11,639
43 - 12,511
44 - 13,450
45 - 14,459
46 - 15,543
47 - 16,709
48 - 17,962
49 - 19,309 (This will get you to Rank 50)
Your journey will end at Rank 50 with a total exp of 268,758. After reaching rank 50 you may choose to Prestige which will reset your rank back to 1 and you'll lose all unlocks. Doing this however will increase the credit payout of all future CQC matches, and you'll receive a special icon next to your name in both CQC and the regular game mode. If you choose to Prestige you'll also gain a permit to the Attilius Orbital starport in the system of CD-43 11917 which has a discount of 3% on all ships, modules and weapons.