PING meso1.ph.tsukuba.ac.jp (130.158.39.234) 56(84) bytes of data.
From 130.158.4.13 (130.158.4.13) icmp_seq=1 Destination Host Unreachable
From 130.158.4.13 (130.158.4.13) icmp_seq=2 Destination Host Unreachable
From 130.158.4.13 (130.158.4.13) icmp_seq=3 Destination Host Unreachable

--- meso1.ph.tsukuba.ac.jp ping statistics ---
3 packets transmitted, 0 received, +3 errors, 100% packet loss, time 2078ms
pipe 3