国内直充流量:请superloveo 解释一下周围的网络拓扑

Microsoft Windows XP [版本 5.1.2600]
(C) 版权所有 1985-2001 Microsoft Corp.

C:\Documents and Settings\Administrator>tracert info.zjg.gov

Tracing route to info.zjg.gov [192.168.30.3]
over a maximum of 30 hops:

1 19 ms 49 ms 7 ms 192.168.58.1
2 7 ms 7 ms 19 ms 192.168.254.2
3 4 ms 3 ms 1 ms 192.168.30.3

Trace complete.

C:\Documents and Settings\Administrator>tracert www.zjg.js.cn

Tracing route to www.zjg.js.cn [61.132.118.68]
over a maximum of 30 hops:

1 20 ms 27 ms 11 ms 192.168.58.1
2 18 ms * 77 ms 192.168.254.5
3 7 ms 23 ms <1 ms 218.4.17.18
4 3 ms 2 ms 4 ms 218.4.14.178
5 13 ms 15 ms 8 ms 218.4.14.181
6 3 ms 12 ms 2 ms www.bill.sz.jsinfo.net [61.132.114.190]
7 27 ms 19 ms 8 ms www.zjg.js.cn [61.132.118.68]

Trace complete.

C:\Documents and Settings\Administrator>tracert www.zjg.gov.cn

Tracing route to www.zjg.gov.cn [61.177.60.245]
over a maximum of 30 hops:

1 15 ms 24 ms 12 ms 192.168.58.1
2 * 16 ms 7 ms 192.168.254.5
3 12 ms 25 ms 6 ms 218.4.17.18
4 1 ms 2 ms 1 ms 61.155.104.90
5 * * * Request timed out.
6 4 ms 5 ms 7 ms 61.177.60.245

Trace complete.

以上三个请分别解释一下，谢谢。