This is how ping responds, it's a weird recurrence, the problem occurs at fixed time intervals and it manifest by losses or by a big latency.
I numbered the packages between losses or latency time and they are exactly 11 healthy ping packages between the problems.
This does not look like a coincidence, there's something spooky here.
C:\WINDOWS\system32>ping 192.168.16.251 -t
Pinging 192.168.16.251 with 32 bytes of data:
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Reply from 192.168.16.251: bytes=32 time=35ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Reply from 192.168.16.251: bytes=32 time=59ms TTL=127
Reply from 192.168.16.251: bytes=32 time=22ms TTL=127
Reply from 192.168.16.251: bytes=32 time=647ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Reply from 192.168.16.251: bytes=32 time=2112ms TTL=127
Reply from 192.168.16.251: bytes=32 time=2991ms TTL=127
Reply from 192.168.16.251: bytes=32 time=28ms TTL=127
Reply from 192.168.16.251: bytes=32 time=24ms TTL=127
Reply from 192.168.16.251: bytes=32 time=47ms TTL=127
Reply from 192.168.16.251: bytes=32 time=50ms TTL=127
Reply from 192.168.16.251: bytes=32 time=56ms TTL=127
Reply from 192.168.16.251: bytes=32 time=36ms TTL=127
Reply from 192.168.16.251: bytes=32 time=21ms TTL=127
Reply from 192.168.16.251: bytes=32 time=55ms TTL=127
Reply from 192.168.16.251: bytes=32 time=37ms TTL=127
Reply from 192.168.16.251: bytes=32 time=472ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Reply from 192.168.16.251: bytes=32 time=1960ms TTL=127
Reply from 192.168.16.251: bytes=32 time=2973ms TTL=127
Reply from 192.168.16.251: bytes=32 time=28ms TTL=127
Reply from 192.168.16.251: bytes=32 time=43ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Reply from 192.168.16.251: bytes=32 time=51ms TTL=127
Reply from 192.168.16.251: bytes=32 time=16ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Reply from 192.168.16.251: bytes=32 time=454ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Request timed out.
Reply from 192.168.16.251: bytes=32 time=97ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Reply from 192.168.16.251: bytes=32 time=47ms TTL=127
Reply from 192.168.16.251: bytes=32 time=33ms TTL=127
Reply from 192.168.16.251: bytes=32 time=33ms TTL=127
Reply from 192.168.16.251: bytes=32 time=38ms TTL=127
Reply from 192.168.16.251: bytes=32 time=16ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Reply from 192.168.16.251: bytes=32 time=531ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Reply from 192.168.16.251: bytes=32 time=2048ms TTL=127
Reply from 192.168.16.251: bytes=32 time=2955ms TTL=127
Reply from 192.168.16.251: bytes=32 time=72ms TTL=127
Reply from 192.168.16.251: bytes=32 time=25ms TTL=127
Reply from 192.168.16.251: bytes=32 time=67ms TTL=127
Reply from 192.168.16.251: bytes=32 time=16ms TTL=127
Reply from 192.168.16.251: bytes=32 time=26ms TTL=127
Reply from 192.168.16.251: bytes=32 time=64ms TTL=127
Reply from 192.168.16.251: bytes=32 time=16ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Reply from 192.168.16.251: bytes=32 time=23ms TTL=127
Reply from 192.168.16.251: bytes=32 time=435ms TTL=127
Reply from 192.168.16.251: bytes=32 time=22ms TTL=127
Request timed out.
Reply from 192.168.16.251: bytes=32 time=102ms TTL=127
Reply from 192.168.16.251: bytes=32 time=69ms TTL=127
Reply from 192.168.16.251: bytes=32 time=73ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Reply from 192.168.16.251: bytes=32 time=32ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Reply from 192.168.16.251: bytes=32 time=16ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Reply from 192.168.16.251: bytes=32 time=573ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Request timed out.
Reply from 192.168.16.251: bytes=32 time=94ms TTL=127
Reply from 192.168.16.251: bytes=32 time=18ms TTL=127
Reply from 192.168.16.251: bytes=32 time=33ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Reply from 192.168.16.251: bytes=32 time=22ms TTL=127
Reply from 192.168.16.251: bytes=32 time=537ms TTL=127
Reply from 192.168.16.251: bytes=32 time=19ms TTL=127
Reply from 192.168.16.251: bytes=32 time=2020ms TTL=127
Reply from 192.168.16.251: bytes=32 time=3002ms TTL=127
Reply from 192.168.16.251: bytes=32 time=18ms TTL=127
Reply from 192.168.16.251: bytes=32 time=77ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Reply from 192.168.16.251: bytes=32 time=23ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Reply from 192.168.16.251: bytes=32 time=29ms TTL=127
Reply from 192.168.16.251: bytes=32 time=427ms TTL=127
Reply from 192.168.16.251: bytes=32 time=17ms TTL=127
Request timed out.
Reply from 192.168.16.251: bytes=32 time=95ms TTL=127
Reply from 192.168.16.251: bytes=32 time=16ms TTL=127
Ping statistics for 192.168.16.251:
Packets: Sent = 98, Received = 94, Lost = 4 (4% loss),
Approximate round trip times in milli-seconds:
Minimum = 16ms, Maximum = 3002ms, Average = 283ms
Control-C