屑俺日記

☆ Autonomous System?

ツッコミを受けて追試。今回の $HOST_A' は、手元のPPPoEな ルータの後ろにあるFreeBSD 8.1-RELEASE。

$HOST_A':$ traceroute -an $HOST_B
traceroute to $HOST_B ($HOST_B), 64 hops max, 40 byte packets
 1  [AS8151] $BROUTER  0.412 ms  0.380 ms  0.296 ms
 2  [AS2497] 210.130.139.104  12.855 ms  12.833 ms  13.248 ms
 3  [AS2497] 210.130.139.97  13.780 ms  14.110 ms  14.456 ms
 4  [AS2497] 210.130.143.37  13.519 ms  14.079 ms  13.982 ms
 5  [AS2497] 58.138.106.153  13.279 ms  13.872 ms  14.477 ms
 6  [AS2497] 58.138.106.42  14.018 ms  13.861 ms  13.229 ms
 7  [AS2497] 210.130.146.186  24.126 ms  23.473 ms  23.362 ms
 8  [AS9609] 218.185.186.38  23.097 ms  23.526 ms  22.906 ms
 9  [AS37903] 117.55.2.22  24.293 ms  23.703 ms  24.337 ms
10  [AS37903] $HOST_B  341.154 ms  325.902 ms  267.499 ms

linux にあった Traceroute for Linux も -A が有効だった。

$HOST_B:$ traceroute -nA $HOST_A
traceroute to $HOST_A ($HOST_A), 30 hops max, 60 byte packets
 1  117.55.2.6 [AS37903]  702.542 ms  704.517 ms  704.490 ms
 2  117.55.2.17 [AS37903]  704.465 ms  704.440 ms  704.417 ms
 3  218.185.186.33 [AS9609]  705.369 ms  705.350 ms  705.332 ms
 4  211.14.193.9 [AS9609]  705.315 ms  86.849 ms  106.785 ms
 5  210.130.134.65 [AS2497]  107.751 ms  108.727 ms  126.696 ms
 6  58.138.82.25 [AS2497]  136.643 ms 58.138.82.29 [AS2497]  \
   156.619 ms 58.138.82.41 [AS2497]  107.920 ms
 7  58.138.81.178 [AS2497]  108.847 ms 58.138.81.210 [AS2497] \
   128.817 ms 58.138.81.90 [AS2497]  129.792 ms
 8  58.138.81.102 [AS2497]  130.767 ms 58.138.81.106 [AS2497] \
   149.745 ms 58.138.81.142 [AS2497]  148.729 ms
 9  58.138.106.158 [AS2497]  150.705 ms 58.138.106.154 [AS2497] \
   157.689 ms  176.884 ms
10  210.130.143.38 [AS2497]  206.834 ms  246.798 ms  286.761 ms
11  210.130.139.104 [AS2497]  326.728 ms  346.703 ms  406.675 ms
12  $HOST_A [AS2497]  198.859 ms  218.814 ms  258.779 ms

流石にこのあたりとなると、7年前の実習なんてほとんど忘れている。