code:
Request timed out.
Request timed out.
Request timed out.
Reply from 172.16.4.1: bytes=32 time<1ms TTL=64
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Reply from 172.16.4.1: bytes=32 time<1ms TTL=64
Reply from 172.16.4.1: bytes=32 time<1ms TTL=64
Reply from 172.16.4.1: bytes=32 time<1ms TTL=64
Reply from 172.16.4.1: bytes=32 time<1ms TTL=64
Reply from 172.16.4.1: bytes=32 time<1ms TTL=64
Reply from 172.16.4.1: bytes=32 time<1ms TTL=64
Reply from 172.16.4.1: bytes=32 time<1ms TTL=64
Reply from 172.16.4.1: bytes=32 time<1ms TTL=64
Reply from 172.16.4.1: bytes=32 time<1ms TTL=64
Reply from 172.16.4.1: bytes=32 time<1ms TTL=64
Reply from 172.16.4.1: bytes=32 time<1ms TTL=64
Reply from 172.16.4.1: bytes=32 time<1ms TTL=64
Reply from 172.16.4.1: bytes=32 time<1ms TTL=64
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Reply from 172.16.4.1: bytes=32 time=1379ms TTL=64
Reply from 172.16.4.1: bytes=32 time=722ms TTL=64
Reply from 172.16.4.1: bytes=32 time=1549ms TTL=64
Reply from 172.16.4.1: bytes=32 time=2475ms TTL=64

Ping statistics for 172.16.4.1:
    Packets: Sent = 1554, Received = 360, Lost = 1194 (76% loss),
Approximate round trip times in milli-seconds:
    Minimum = 0ms, Maximum = 4071ms, Average = 83ms