ネットワークがひどい

いやもうしつこいようだけど、ほんとう自宅のネットワークがひどい。

% httping -h reader.livedoor.com
PING reader.livedoor.com:80 (http://reader.livedoor.com:80/):
could not connect (Network is unreachable)
could not connect (Network is unreachable)
could not connect (Network is unreachable)
connected to reader.livedoor.com:80, seq=3 time=758.18 ms
could not connect (Network is unreachable)
could not connect (Network is unreachable)
could not connect (Network is unreachable)
could not connect (Network is unreachable)
could not connect (Network is unreachable)
could not connect (Network is unreachable)
could not connect (Network is unreachable)
could not connect (Network is unreachable)
connected to reader.livedoor.com:80, seq=12 time=500.81 ms
could not connect (Network is unreachable)
connected to reader.livedoor.com:80, seq=14 time=853.22 ms
could not connect (Network is unreachable)
connected to reader.livedoor.com:80, seq=16 time=3691.13 ms
connected to reader.livedoor.com:80, seq=17 time=781.72 ms
could not connect (Network is unreachable)
connected to reader.livedoor.com:80, seq=19 time=772.38 ms
could not connect (Network is unreachable)
could not connect (Network is unreachable)
connected to reader.livedoor.com:80, seq=22 time=831.10 ms
could not connect (Network is unreachable)
could not connect (Network is unreachable)
could not connect (Network is unreachable)
connected to reader.livedoor.com:80, seq=26 time=655.89 ms
connected to reader.livedoor.com:80, seq=27 time=784.74 ms
--- http://reader.livedoor.com:80/ ping statistics ---
28 connects, 9 ok, 67.86% failed
round-trip min/avg/max = 500.8/1069.9/3691.1 ms

Network is unreachable って。やっぱルータがおかしくない？