Please teach a value of NET CHECK.

1370| NET: CHECK: 0.7 packets/s 31 ms ( 1) [K4z6Y3xlrUxKPJp8]
1371| NET: CHECK: 14.6 packets/s 31 ms ( 1) [K4z6Y3xlrUxKPJp8]
1372| NET: CHECK: 15.0 packets/s 31 ms ( 1) [K4z6Y3xlrUxKPJp8]
1373| NET: CHECK: 15.0 packets/s 32 ms ( 1) [K4z6Y3xlrUxKPJp8]
1374| NET: CHECK: 14.8 packets/s 31 ms ( 1) [K4z6Y3xlrUxKPJp8]
1375| NET: CHECK: 15.2 packets/s 15 ms ( 1) [K4z6Y3xlrUxKPJp8]
1376| NET: CHECK: 14.8 packets/s 31 ms ( 1) [K4z6Y3xlrUxKPJp8]
1377| NET: CHECK: 0.2 packets/s 63 ms ( 0) [K4z6Y3xlrUxKPJp8]
1378| NET: CHECK: 13.2 packets/s 16 ms ( 1) [K4z6Y3xlrUxKPJp8]
1379| NET: CHECK: 15.0 packets/s 15 ms ( 1) [K4z6Y3xlrUxKPJp8]
1380| NET: CHECK: 15.0 packets/s 31 ms ( 1) [K4z6Y3xlrUxKPJp8]
1381| NET: CHECK: 15.0 packets/s 32 ms ( 1) [K4z6Y3xlrUxKPJp8]
1382| NET: CHECK: 15.0 packets/s 16 ms ( 1) [K4z6Y3xlrUxKPJp8]
1383| NET: CHECK: 15.0 packets/s 15 ms ( 1) [K4z6Y3xlrUxKPJp8]

I live in Kanagawa, Japan.
Server:silver-star.nsl.tuis.ac.jp:8200
ADSL 58M/12M