Author Topic: Pinging the whole internet  (Read 13156 times)

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Offline Keoni29

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Re: Pinging the whole internet
« Reply #15 on: September 24, 2014, 08:16:56 pm »
You get a really fast reply.
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Offline Eeems

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Re: Pinging the whole internet
« Reply #16 on: September 24, 2014, 08:38:33 pm »
I wonder what happens when you ping 127.0.0.1... I never tried it :P
You ping your own machine.
I will exclude reserved addresses from the scan. This includes the entire 127.x.x.x range as well.
Make sure to exclude all IPs in the ranges listed here: http://en.wikipedia.org/wiki/IPv4#Special-use_addresses
/e

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Re: Pinging the whole internet
« Reply #17 on: September 25, 2014, 10:10:01 am »
I wonder what happens when you ping 127.0.0.1... I never tried it :P
You get very fast replies

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Offline Juju

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Re: Pinging the whole internet
« Reply #18 on: September 25, 2014, 10:04:41 pm »
You get a really fast reply.
I wonder what happens when you ping 127.0.0.1... I never tried it :P
You get very fast replies

Replies so fast it's almost instant.
Quote from: My computer
juju@derpy ~ % ping 127.0.0.1
PING 127.0.0.1 (127.0.0.1) 56(84) bytes of data.
64 bytes from 127.0.0.1: icmp_seq=1 ttl=64 time=0.026 ms
64 bytes from 127.0.0.1: icmp_seq=2 ttl=64 time=0.043 ms
64 bytes from 127.0.0.1: icmp_seq=3 ttl=64 time=0.044 ms
64 bytes from 127.0.0.1: icmp_seq=4 ttl=64 time=0.044 ms
^C
--- 127.0.0.1 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3000ms
rtt min/avg/max/mdev = 0.026/0.039/0.044/0.008 ms
During that time, light have time to travel about 8-13 km (5-8 miles). Which is not quite enough to reach another computer, if you take in account the time the other computer takes to notice your ping and send a reply.
« Last Edit: September 25, 2014, 10:06:45 pm by Juju »

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Offline DJ Omnimaga

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Re: Pinging the whole internet
« Reply #19 on: September 25, 2014, 10:34:48 pm »
I wonder what happens when you ping 127.0.0.1... I never tried it :P
You get very fast replies
Do they sometimes appear before you sent the request? :trollface: