Edit - Super User

You are not logged in. Your edit will be placed in a queue until it is peer reviewed.

We welcome edits that make the post easier to understand and more valuable for readers. Because community members review edits, please try to make the post substantially better than how you found it, for example, by fixing grammar or adding additional resources and hyperlinks.

Rev

38

Not so much ping, but the underlying routine it uses inet_addr()
– cde
Commented Dec 28, 2014 at 17:31
2

It's also happening on OSX.
– Johann Philipp Strathausen
Commented Dec 29, 2014 at 12:03
21

It's not because it has three digits, it's because the number has a leading zero. You can test this by trying to ping 09.09.09.09, which doesn't work because 9 isn't valid in octal.
– Dietrich Epp
Commented Dec 30, 2014 at 7:34
1

Ping also accepts four-digit numbers starting with zero, but the maximum value is 0377, which is 255.
– phoog
Commented Jun 2, 2020 at 22:05

Add a comment |

Correct minor typos or mistakes
Clarify meaning without changing it
Add related resources or links
Always respect the author’s intent
Don’t use edits to reply to the author

create code fences with backticks ` or tildes ~
```
like so
```
add language identifier to highlight code
```python
def function(foo):
print(foo)
```
put returns between paragraphs
for linebreak add 2 spaces at end
_italic_ or **bold**
indent code by 4 spaces
backtick escapes `like _so_`
quote by placing > at start of line
to make links (use https whenever possible)
<https://example.com>
[example](https://example.com)
<a href="https://example.com">example</a>

formatting help »
answering help »