tracert.txt

卡耐基梅陇大学ssd8Exercise2答案

Hop T1 T2 T3 Best Graph IP Hostname Dist TTL Ctry Time 
1 0 0 0 0.5 ms     
 75.125.82.131 AS0
IANA-RSVD-0  unknown.ev1servers.net   255 US Unknown: 8513ee12 
2 0 0 0 0.5 ms [+0ms]     
 209.85.1.5 AS36420
EVERYONES-INTERNET3  gphou2-209-85-1-5.ev1servers.net.  0 miles [+0]  253 US [Router did not respond] 
3 0 0 0 0.5 ms [+0ms]     
 209.85.0.4 AS36420
EVERYONES-INTERNET3  gphou2-209-85-0-4.ev1servers.net.  0 miles [+0]  253 US [Router did not respond] 
4 1 1 1 1.3 ms [+0ms]     
 64.129.54.9 AS4323
TWTC  64-129-54-9.static.twtelecom.net.  0 miles [+0]  252 US Unix: 8:09:55.699 
5 6 6 6 6.0 ms [+4ms]     
 66.192.246.53 AS4323
TWTC  peer-01-so-1-0-0-0.dlfw.twtelecom.net.  0 miles [+0]  251 US Unix: 8:09:55.735 
6 46 39 38 38 ms [+32ms]     
 12.123.16.202 AS7018
ATT-INTERNET4  tbr1.dlstx.ip.att.net.  0 miles [+0]  246 US [Router did not respond] 
7 39 39 38 38 ms [+0ms]     
 12.122.10.50 AS7018
ATT-INTERNET4  tbr1.la2ca.ip.att.net.  0 miles [+0]  247 US [Router did not respond] 
8 46 38 38 38 ms [+0ms]     
 12.122.104.5 AS7018
ATT-INTERNET4  unknown.att.net  0 miles [+0]  249 US [Router did not respond] 
9 249 241 241 232 ms [+193ms]     
 12.116.103.10 AS7018
ATT-INTERNET4  unknown.att.net  0 miles [+0]  242 US Unix: 8:09:56.253 
10 249 245 245 232 ms [+0ms]     
 219.158.3.137 AS4837
CHINA169-Backbone  unknown.apnic.net  0 miles [+0]  243 CN Unix: 8:09:56.304 
11 1093 232 232 232 ms [+0ms]     
 202.96.12.158 AS4808
CHINA169-BJ  unknown.cn.net  0 miles [+0]  242 CN [Router did not respond] 
12 1140 240 239 234 ms [+2ms]     
 61.148.152.142 AS4814
CHINA169-BBN  unknown.apnic.net  0 miles [+0]  241 CN [Router did not respond] 
13 1170 254 254 234 ms [+0ms]     
 61.148.3.70 AS4814
CHINA169-BBN  unknown.apnic.net  0 miles [+0]  241 CN [Router did not respond] 
14 1170 236 234 234 ms [+0ms]     
 202.106.43.66 AS4808
CHINA169-BJ  unknown.net.cn  0 miles [+0]  240 CN Unknown: 81b843c9 
15 263 * * 263 ms [+29ms]     
 202.108.22.44 AS4808
CHINA169-BJ  
[Reached Destination]xd-22-44-a8.bta.net.cn.  0 miles [+0]  47 CN [Router did not respond] 

Which hop on the path is the longest?
The 9th hop is the longest, it cost 193ms.