lots of "request timed out"

[idata]

This is the result of pinging the AP. As you can see, it si very odd indeed and I can not to a conclusion that if the internet connection is up or down? whether my NIC has problem or the AP has problem? Any idea?

Also the time is very large in some pings....

Reply from 192.168.70.64: Destination host unreachable 

Reply from 192.168.70.64: Destination host unreachableReply from 192.168.70.64: Destination host unreachableReply from 192.168.70.64: Destination host unreachableReply from 192.168.70.1: bytes=32 time=1364ms TTL=128Reply from 192.168.70.1: bytes=32 time=7ms TTL=128Reply from 192.168.70.1: bytes=32 time=5ms TTL=128Reply from 192.168.70.1: bytes=32 time=6ms TTL=128Reply from 192.168.70.1: bytes=32 time=193ms TTL=128Reply from 192.168.70.1: bytes=32 time=126ms TTL=128Reply from 192.168.70.64: Destination host unreachableReply from 192.168.70.64: Destination host unreachableReply from 192.168.70.64: Destination host unreachableReply from 192.168.70.64: Destination host unreachableReply from 192.168.70.64: Destination host unreachableReply from 192.168.70.64: Destination host unreachableReply from 192.168.70.64: Destination host unreachableReply from 192.168.70.64: Destination host unreachableReply from 192.168.70.64: Destination host unreachableReply from 192.168.70.64: Destination host unreachableReply from 192.168.70.64: Destination host unreachableReply from 192.168.70.64: Destination host unreachableReply from 192.168.70.64: Destination host unreachableReply from 192.168.70.64: Destination host unreachableReply from 192.168.70.64: Destination host unreachableReply from 192.168.70.64: Destination host unreachableReply from 192.168.70.64: Destination host unreachableReply from 192.168.70.64: Destination host unreachableReply from 192.168.70.64: Destination host unreachableReply from 192.168.70.64: Destination host unreachableReply from 192.168.70.64: Destination host unreachableReply from 192.168.70.64: Destination host unreachableReply from 192.168.70.64: Destination host unreachableRequest timed out.Request timed out.Request timed out.Request timed out.Request timed out.Request timed out.Reply from 192.168.70.64: Destination host unreachableReply from 192.168.70.64: Destination host unreachableReply from 192.168.70.1: bytes=32 time=998ms TTL=128Reply from 192.168.70.1: bytes=32 time=946ms TTL=128Reply from 192.168.70.1: bytes=32 time=220ms TTL=128Request timed out.Reply from 192.168.70.1: bytes=32 time=59ms TTL=128Reply from 192.168.70.1: bytes=32 time=15ms TTL=128Reply from 192.168.70.1: bytes=32 time=5ms TTL=128Reply from 192.168.70.1: bytes=32 time=6ms TTL=128Reply from 192.168.70.1: bytes=32 time=12ms TTL=128Reply from 192.168.70.1: bytes=32 time=1024ms TTL=128Reply from 192.168.70.1: bytes=32 time=1084ms TTL=128Request timed out.Reply from 192.168.70.64: Destination host unreachableReply from 192.168.70.64: Destination host unreachableRequest timed out.Request timed out.Request timed out.Request timed out.Request timed out.Reply from 192.168.70.1: bytes=32 time=89ms TTL=128Reply from 192.168.70.1: bytes=32 time=41ms TTL=128Reply from 192.168.70.1: bytes=32 time=288ms TTL=128Reply from 192.168.70.1: bytes=32 time=232ms TTL=128Reply from 192.168.70.1: bytes=32 time=143ms TTL=128Reply from 192.168.70.1: bytes=32 time=180ms TTL=128Reply from 192.168.70.1: bytes=32 time=3ms TTL=128Reply from 192.168.70.1: bytes=32 time=5ms TTL=128Reply from 192.168.70.1: bytes=32 time=3ms TTL=128Reply from 192.168.70.1: bytes=32 time=126ms TTL=128Reply from 192.168.70.1: bytes=32 time=6ms TTL=128Reply from 192.168.70.1: bytes=32 time=11ms TTL=128Request 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 192.168.70.1: bytes=32 time=1057ms TTL=128Reply from 192.168.70.1: bytes=32 time=1778ms TTL=128Request timed out.Request timed out.Reply from 192.168.70.1: bytes=32 time=45ms TTL=128Reply from 192.168.70.1: bytes=32 time=486ms TTL=128Reply from 192.168.70.1: bytes=32 time=53ms TTL=128Reply from 192.168.70.1: bytes=32 time=407ms TTL=128Reply from 192.168.70.1: bytes=32 time=318ms TTL=128Reply from 192.168.70.1: bytes=32 time=56ms TTL=128Reply from 192.168.70.1: bytes=32 time=229ms TTL=128Reply from 192.168.70.1: bytes=32 time=220ms TTL=128Reply from 192.168.70.1: bytes=32 time=131ms TTL=128Reply from 192.168.70.1: bytes=32 time=194ms TTL=128Reply from 192.168.70.1: bytes=32 time=4ms TTL=128Reply from 192.168.70.1: bytes=32 time=105ms TTL=128Reply from 192.168.70.1: bytes=32 time=11ms TTL=128Reply from 192.168.70.1: bytes=32 time=65ms TTL=128Reply from 192.168.70.1: bytes=32 time=17ms TTL=128Reply from 192.168.70.1: bytes=32 time=70ms TTL=128Reply from 192.168.70.1: bytes=32 time=134ms TTL=128Reply from 192.168.70.1: bytes=32 time=45ms TTL=128Reply from 192.168.70.1: bytes=32 time=5ms TTL=128Request timed out.Request timed out.Request timed out.Request timed out.Reply from 192.168.70.1: bytes=32 time=171ms TTL=128Reply from 192.168.70.1: bytes=32 time=142ms TTL=128Reply from 192.168.70.1: bytes=32 time=937ms TTL=128Reply from 192.168.70.1: bytes=32 time=895ms TTL=128Reply from 192.168.70.1: bytes=32 time=1605ms TTL=128Reply from 192.168.70.1: bytes=32 time=2104ms TTL=128Reply from 192.1...