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

PING cq-glukhiv.at.ua (195.216.243.30) 56(84) bytes of data.
64 bytes from s30.ucoz.net (195.216.243.30): icmp_req=1 ttl=56 time=60.7 ms
64 bytes from s30.ucoz.net (195.216.243.30): icmp_req=2 ttl=56 time=61.3 ms
64 bytes from s30.ucoz.net (195.216.243.30): icmp_req=3 ttl=56 time=61.1 ms
64 bytes from s30.ucoz.net (195.216.243.30): icmp_req=4 ttl=56 time=65.2 ms
64 bytes from s30.ucoz.net (195.216.243.30): icmp_req=5 ttl=56 time=62.8 ms

--- cq-glukhiv.at.ua ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4000ms
rtt min/avg/max/mdev = 60.768/62.265/65.246/1.672 ms	

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

traceroute to cq-glukhiv.at.ua (195.216.243.30), 10 hops max, 60 byte packets
 1  node29.mirahost.biz (176.9.25.7)  0.024 ms  0.012 ms  0.011 ms
 2  hos-tr4-juniper2.rz10.hetzner.de (213.239.244.97)  0.147 ms  0.147 ms hos-tr2-juniper1.rz10.hetzner.de (213.239.244.33)  0.143 ms
 3  hos-bb1.juniper1.ffm.hetzner.de (213.239.240.224)  4.750 ms  4.769 ms  4.766 ms
 4  de-cix1.RT.ACT.FKT.DE.retn.net (80.81.192.73)  5.848 ms  5.436 ms  5.825 ms
 5  ae4-7.RT.MR.MSK.RU.retn.net (87.245.233.245)  57.816 ms  58.212 ms  60.063 ms
 6  GW-Webalta.retn.net (87.245.253.206)  58.493 ms  58.575 ms  58.543 ms
 7  77.91.227.161 (77.91.227.161)  60.998 ms  60.977 ms  60.976 ms

Server: uServ/1.5.4
Date: Thu, 24 May 2012 11:20:41 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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