This is the traceroute without vpn

1 4 ms 8 ms 9 ms ***.***.***.***
2 6 ms 4 ms 4 ms host17.181-88-172.telecom.net.ar [181.88.172.17]
3 4 ms 4 ms 3 ms host8.181-89-5.telecom.net.ar [181.89.5.8]
4 * * * Request timed out.
5 8 ms 7 ms 7 ms host125.181-89-2.telecom.net.ar [181.89.2.125]
6 5 ms 5 ms 5 ms ae6.baires5.bai.seabone.net [185.70.203.32]
7 * * * Request timed out.
8 34 ms 44 ms 42 ms ntt-verio.sanpaolo8.spa.seabone.net [149.3.181.65]
9 144 ms 145 ms * ae-8.r20.nwrknj03.us.bb.gin.ntt.net [129.250.2.12]
10 * * * Request timed out.
11 178 ms 164 ms 164 ms ae-1.r20.chcgil09.us.bb.gin.ntt.net [129.250.2.166]
12 168 ms 164 ms 164 ms ae-4.r21.chcgil09.us.bb.gin.ntt.net [129.250.2.163]
13 * 574 ms 573 ms ae-5.r22.snjsca04.us.bb.gin.ntt.net [129.250.5.17]
14 * 577 ms 578 ms ae-19.r01.snjsca04.us.bb.gin.ntt.net [129.250.3.27]
15 575 ms 575 ms 576 ms ae-4.r00.scrmca02.us.bb.gin.ntt.net [129.250.7.57]
16 * * * Request timed out.
17 * * * Request timed out.
18 815 ms * 815 ms 204.2.229.9

something goes extremely wrong after 13, it arrives at usa with 140/170ms and then jumps to 500?