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

PING prcs.ru (77.222.56.179) 56(84) bytes of data.
64 bytes from corfu.sweb.ru (77.222.56.179): icmp_req=1 ttl=51 time=60.3 ms
64 bytes from corfu.sweb.ru (77.222.56.179): icmp_req=2 ttl=51 time=60.2 ms
64 bytes from corfu.sweb.ru (77.222.56.179): icmp_req=3 ttl=51 time=60.6 ms
64 bytes from corfu.sweb.ru (77.222.56.179): icmp_req=4 ttl=51 time=61.0 ms
64 bytes from corfu.sweb.ru (77.222.56.179): icmp_req=5 ttl=51 time=61.1 ms

--- prcs.ru ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 3999ms
rtt min/avg/max/mdev = 60.234/60.664/61.103/0.474 ms	

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

traceroute to prcs.ru (77.222.56.179), 10 hops max, 60 byte packets
 1  node29.mirahost.biz (176.9.25.7)  0.028 ms  0.008 ms  0.006 ms
 2  hos-tr3-juniper2.rz10.hetzner.de (213.239.244.65)  0.178 ms hos-tr1-juniper1.rz10.hetzner.de (213.239.244.1)  0.180 ms hos-tr3-juniper2.rz10.hetzner.de (213.239.244.65)  0.201 ms
 3  hos-bb1.juniper4.ffm.hetzner.de (213.239.240.230)  4.886 ms  4.842 ms  4.826 ms
 4  FRNKT-PE-MX960-1.megafon.ru (80.81.192.236)  5.654 ms  5.514 ms  5.319 ms

Date: Thu, 24 May 2012 11:56:58 GMT
Server: Apache/2.0.63-lk.d (Unix) mod_ssl/2.0.63-lk.d OpenSSL/0.9.8o mod_dp20/0.99.2 mod_python/3.3.1 Python/2.6.5 mod_ruby/1.2.6 Ruby/1.8.7(2010-08-16)
Set-Cookie: knowhat=2; path=/
Connection: close
Content-Type: text/html

% By submitting a query to RIPN's Whois Service
% you agree to abide by the following terms of use:
% http://www.ripn.net/about/servpol.html#3.2 (in Russian)
% http://www.ripn.net/about/en/servpol.html#3.2 (in English).

domain:        PRCS.RU
nserver:       ns1.spaceweb.ru.
nserver:       ns2.spaceweb.ru.
state:         REGISTERED, DELEGATED, UNVERIFIED
org:           OOO "Professionalnye Kompleksnye Reshenija"
registrar:     REGISTRATOR-REG-RIPN
admin-contact: https://cp.mastername.ru/domain_feedback/
created:       2006.04.13
paid-till:     2013.04.13
free-date:     2013.05.14
source:        TCI

Last updated on 2012.05.24 15:55:46 MSK