For those who want to try it at home:
ping 33333333
ping 55555555
I am sorry, two random Internet users in Korea and Germany, your IP addresses are simply special.
Best ping is 127.0.0.1
It always resolves!
this post was submitted on 08 Jul 2025
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Try pinging 127.1 - it is the same, but shorter.
Just another tipp from someone who learned TCP/IP from reading the sources over three decades ago...
Voodoo! I had no idea.
It's all in the documentation. But people don't read anymore.
even shorter: ping 0
This is a special case. This resolves to 0.0.0.0, and technically cannot be routed. Some(!) systems use it as a kind of alias for all local network addresses, but it is not a given.
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Fun fact 127.0.0.1-127.255.255.254 is all localhost
Pretty insane that around 0.4% of all IPv4 addresses are wasted.
Wayyyyyy more than that is wasted.
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ping 1.1 also works. It resolves to 1.0.0.1, which is Cloudflare's secondary DNS
It sure is better then ping 194.204.152.34 which I used to use.
Prior to cloud flare and Google doing DNS, a common one was 4.2.2.2 which is a level 3 IP.
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Wow, thank you!
Oh shit. Didn't know this either. Kind of like ipv6 in a way
IPv4 has some other features too.
$ ping 0x8.02004010
PING 0x8.02004010 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=1 ttl=116 time=22.8 ms
That'll be Google's root DNS server, using hexadecimal and octal representations.
Oh god why. This is like one step away from JavaScript math.
For those who are still confused, ping works with 32 bit unsigned integers. While there certainly are more uses, it's a much more convenient method for storing IP address in a database as it's easier to sort and index than 4 numbers separated by 4 periods
http://www.aboutmyip.com/AboutMyXApp/IP2Integer.jsp?ipAddress=1.1.1.1
it's so simple!
ping -c 4 $(mysql -u frodo -p keepyoursecrets -D /home/pingtargets.db -se "SELECT ip FROM servers ORDER BY RAND() LIMIT 1;")
I prefer:
ping 133742069
(probably lands you on a list tho...it's a US DoD IP)
I fondly remember regularly logging into simtel20.wsmr.army.mil back in the days (WSMR=White Sands Missile Range). No issue, just used "anonymous" as the username, and your email address as the password. And even the email address was just a convenience...
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55555555
All addresses that that start in 555 were left open by the internet protocol developers just for movies and TV shows.
And the ones starting with 800 are for Pay Per View?
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Or, if you're me,
$ ping 16843009
PING 16843009 (1.1.1.1) 56(84) bytes of data.
64 bytes from 1.1.1.1: icmp_seq=1 ttl=53 time=4.06 ms
64 bytes from 1.1.1.1: icmp_seq=2 ttl=53 time=4.04 ms
64 bytes from 1.1.1.1: icmp_seq=3 ttl=53 time=4.05 ms ^C
***
16843009 ping statistics
***
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 4.044/4.053/4.062/0.007 ms
I'm probably going to get downvoted to hell but I have to ask: Can someone please explain? I'm perpetually trying to expand my knowledge on the technical side of Linux.
This is the behaviour of inet_aton, which ping uses to translate ASCII representations of IPv4 addresses to a 32 bit number. Its manpage: https://man7.org/linux/man-pages/man3/inet_aton.3.html
It recognizes the usual quad decimal notation of course, but also addresses of the form a.b.c or a.b, or in this instance, a, with is taken to be a 32bit number.
Each part can also be written in hex or octal, with the right prefix, such that 10.012.0x800a is as valid form for 10.10.128.10.
Not all software use inet _aton to translate ASCII addresses. inet_pton for instance (which understands both v4 and v6) doesn't
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Superior Ping:
Okay, I'm learning networking but have no idea what this means
interesting . . In my head, I think of ip addresses like just decimal values or integers separated by periods, but clearly a decimal value isn't processed as such by a computer. To think that IP addresses are simply strings is pretty interesting to my amateur mind, because for all my life I thought of them as technical computer jargon that isn't the same as what I used to think strings were: words!
I don't want to go so far as to tell you how to think, but as long as we are talking about how to visualize IP addresses, you may want to check out subnets and subnet masking.
The notation of IP addresses starts to make sense when you think about the early days of TCP/IP when all IP addresses were public and NAT'ing wasn't really required yet. Basically, there needed to be ways for networks to filter traffic by IP blocks that were applicable. (It was [in part] a precursor to collision avoidance, but absolutely not the full story.) We still use addressing and masking today, but it's more obvious when it's local. (Like in data centers, where it's super practical to mask off a block of addresses for a row or rack of servers.)
To your point, yeah. IP addresses are probably more comparable to the Dewey Decimal System rather than actual numbers and thinking of them as strings is probably easier.
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ping 2130706433 for best results
There's no place like home
Ping ::1
ping 9.9.9.9
It's 1111 higher.
Obligatory: Fuck Drake.
There are dozens of meme templates like this that you could have used instead
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ping g.co to test ipv6
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