All possible notations of this IPv4 address (without leading zeroes (<a href='?ip=127.0.0.1&amp;leadingzeroes'>include some leading zeroes</a>)):<br>
<pre>
127.0.0.1
2130706433
0x7f000001
017700000001
127.1
127.0x1
127.0.1
127.0.0x1
127.0.0.0x1
127.0.0x0.1
127.0.0x0.0x1
127.0x0.0.1
127.0x0.0.0x1
127.0x0.0x0.1
127.0x0.0x0.0x1
0x7f.0.0.1
0x7f.0.0.0x1
0x7f.0.0x0.1
0x7f.0.0x0.0x1
0x7f.0x0.0.1
0x7f.0x0.0.0x1
0x7f.0x0.0x0.1
0x7f.0x0.0x0.0x1
0177.0.0.1
0177.0.0.0x1
0177.0.0x0.1
0177.0.0x0.0x1
0177.0x0.0.1
0177.0x0.0.0x1
0177.0x0.0x0.1
0177.0x0.0x0.0x1
</pre>
32 versions shown.<br><br>

Would you like to <a href='?ip=127.0.0.1&amp;link'>show hyperlinks for each variant</a>? This is useful if a web server is running on that IP address.<br><br>
Do you want to <a href='?ip='>try another IPv4 address</a>, or would you like to view the <a href='?source'>source code</a>?
<br><br><br>