Because it's the same route.
Code:
Microsoft Windows [Version 6.3.9600]
(c) 2013 Microsoft Corporation. All rights reserved.
C:\Windows\System32>tracert 199.91.189.25
Tracing route to 199.91.189.25 over a maximum of 30 hops
1 4 ms 7 ms 10 ms R6300|DD-WRT [192.168.1.1]
2 * * 34 ms cpe-75-85-32-1.socal.res.rr.com [75.85.32.1]
3 * * * Request timed out.
4 23 ms 27 ms 28 ms tge0-9-0-8.ontrcacp01r.socal.rr.com [72.129.6.16
0]
5 18 ms 23 ms 28 ms agg21.lsancarc01r.socal.rr.com [72.129.5.0]
6 22 ms 25 ms 21 ms 107.14.19.32
7 17 ms 18 ms 28 ms 107.14.19.138
8 31 ms 39 ms 38 ms 66.109.9.122
9 101 ms 92 ms 94 ms vlan60.csw1.LosAngeles1.Level3.net [4.69.144.62]
10 94 ms 95 ms 101 ms ae-62-62.ebr2.LosAngeles1.Level3.net [4.69.137.1
7]
11 90 ms 99 ms 87 ms ae-3-3.ebr3.Dallas1.Level3.net [4.69.132.78]
12 112 ms 118 ms 98 ms ae-73-73.csw2.Dallas1.Level3.net [4.69.151.145]
13 93 ms 93 ms 103 ms ae-71-71.ebr1.Dallas1.Level3.net [4.69.151.138]
14 92 ms 99 ms 103 ms ae-14-14.ebr2.Chicago2.Level3.net [4.69.151.117]
15 98 ms 98 ms 118 ms ae-1-100.ebr1.Chicago2.Level3.net [4.69.132.113]
16 89 ms 89 ms 101 ms ae-6-6.ebr1.Chicago1.Level3.net [4.69.140.189]
17 96 ms * 93 ms ae-10-10.car2.Montreal2.Level3.net [4.69.153.86]
18 98 ms 108 ms 99 ms ORMUCO-COMM.car2.Montreal2.Level3.net [4.59.178.
74]
19 93 ms 99 ms 96 ms 192.34.76.10
20 1652 ms 1599 ms 1638 ms 199.91.189.242
21 282 ms 287 ms 282 ms 199.91.189.25
Trace complete.
C:\Windows\System32>
Line 20 is Square's problem.