674.9436197 inet13.aist-nara.ac.jp.32886 > 203.178.134.220.echo: S 2237536845:2237536845(0) win 5840 <mss 1460,sackOK,timestamp 4623036 0,nop,wscale 0> (DF)
674.9435856 203.178.134.220.echo > inet13.aist-nara.ac.jp.32886: S 3833681844:3833681844(0) ack 2237536846 win 57344 <mss 1460,nop,wscale 0,nop,nop,timestamp 22490889 4623036> (DF)
674.9438007 inet13.aist-nara.ac.jp.32886 > 203.178.134.220.echo: . ack 1 win 5840 <nop,nop,timestamp 4623036 22490889> (DF)
718.8925421 inet13.aist-nara.ac.jp.32886 > 203.178.134.220.echo: P 1:7(6) ack 1 win 5840 <nop,nop,timestamp 4627431 22490889> (DF)
718.8925569 203.178.134.220.echo > inet13.aist-nara.ac.jp.32886: P 1:7(6) ack 7 win 57920 <nop,nop,timestamp 22495280 4627431> (DF)
718.8927832 inet13.aist-nara.ac.jp.32886 > 203.178.134.220.echo: . ack 7 win 5840 <nop,nop,timestamp 4627431 22495280> (DF)
733.9453526 inet13.aist-nara.ac.jp.32886 > 203.178.134.220.echo: F 7:7(0) ack 7 win 5840 <nop,nop,timestamp 4628936 22495280> (DF)
733.9454000 203.178.134.220.echo > inet13.aist-nara.ac.jp.32886: . ack 8 win 57920 <nop,nop,timestamp 22496785 4628936> (DF)
733.9454598 203.178.134.220.echo > inet13.aist-nara.ac.jp.32886: F 7:7(0) ack 8 win 57920 <nop,nop,timestamp 22496785 4628936> (DF)
733.9456854 inet13.aist-nara.ac.jp.32886 > 203.178.134.220.echo: . ack 8 win 5840 <nop,nop,timestamp 4628936 22496785> (DF)