Отсутствие ICMP-ответов может также означать, что удалённый узел блокирует ICMP Echo-Reply или игнорирует ICMP Echo-Request.

PING pnd.ucoz.ru (217.199.217.8) 56(84) bytes of data.
64 bytes from s8.ucoz.net (217.199.217.8): icmp_req=1 ttl=54 time=74.5 ms
64 bytes from s8.ucoz.net (217.199.217.8): icmp_req=2 ttl=54 time=75.2 ms
64 bytes from s8.ucoz.net (217.199.217.8): icmp_req=3 ttl=54 time=74.8 ms
64 bytes from s8.ucoz.net (217.199.217.8): icmp_req=4 ttl=54 time=76.5 ms
64 bytes from s8.ucoz.net (217.199.217.8): icmp_req=5 ttl=54 time=75.2 ms

--- pnd.ucoz.ru ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4003ms
rtt min/avg/max/mdev = 74.548/75.300/76.560/0.769 ms	

Traceroute — это служебная программа, предназначенная для определения маршрутов следования данных в сетях TCP/IP.

traceroute to pnd.ucoz.ru (217.199.217.8), 10 hops max, 60 byte packets
 1  node29.mirahost.biz (176.9.25.7)  0.021 ms  0.008 ms  0.006 ms
 2  hos-tr3-juniper2.rz10.hetzner.de (213.239.244.65)  0.138 ms hos-tr2-juniper1.rz10.hetzner.de (213.239.244.33)  0.176 ms  0.171 ms
 3  hos-bb1.juniper4.ffm.hetzner.de (213.239.240.230)  4.810 ms hos-bb1.juniper1.ffm.hetzner.de (213.239.240.224)  4.789 ms  4.783 ms
 4  anc-cr01-te4-3.ff.stream-internet.net (80.81.193.78)  6.432 ms  6.017 ms  6.014 ms
 5  anc-cr01-be1.ff.stream-internet.net (212.188.0.121)  51.017 ms  50.996 ms  50.984 ms
 6  bor-crs-1-be3.spb.stream-internet.net (195.34.53.101)  44.524 ms  50.210 ms  43.485 ms
 7  m9-crs-1-be1.msk.stream-internet.net (195.34.53.125)  43.946 ms  44.830 ms  43.862 ms
 8  ss-crs-1-be9.msk.stream-internet.net (195.34.59.249)  47.459 ms  43.650 ms  47.431 ms

Server: uServ/1.5.4
Date: Thu, 24 May 2012 11:51:26 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 2024
Last-Modified: Wed, 02 May 2012 14:43:26 GMT
Connection: keep-alive
Keep-Alive: timeout=15
Accept-Ranges: bytes

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Last updated on 2012.05.24 15:44:28 MSK