�Hola!

>   Sorry if this is a stupid question, but I've been receiving a lot of
>   spam these days with addresses such as this one: http://3520566060
Lynx doesn't like it. (but that's a lynx bug, i hate it for not working
with 127.1 :-)

It's just the IP as a number (remeber that an IP address is a 32 bits
number)
 
>   (sorry about the link.. it's a link to an adult site that has spammed
>   me,.. i don't want to encourage clicking the link, but unfortunately
>   it's the only example i have of such a URL).

I amn't near to my tcpip docs, but i recall that you can write IP address
as:

A.B.C.D         resolves to A * 2^24 + B * 2^16 + C * 2^8 + D
A.B.C           resolves to A * 2^24 + B * 2^16 + C
A.B             resolves to A * 2^24 + B
A               resolves to A

Your example (3520566060) the ip is:

3520566060 >> 24: 209
3520566060 >> 16 & 0xff: 215
3520566060 >> 8 & 0xff: 147
3520566060 & 0xff: 44

209.215.147.44

>   Anyhow.. how does that URL work? I can't seem to resolve it to an actual
>   IP address through nslookup.
Because it is an IP address just now.
 
> = Jason Soros                                                            =
> = Assistant System Administrator         http://www.laker.net/           =
> = Laker Information Systems              http://www.laker.net/jason      =
> = [EMAIL PROTECTED] [EMAIL PROTECTED]        http://wizard.laker.net/        =
> =                       Why Drive When You Can Fly?                      =
> =           Sales: 1-888-LAKERNET | Tech Support: 954-359-3670           =

Hope it helps,
                                        HoraPe
---
Horacio J. Pe�a
[EMAIL PROTECTED]
[EMAIL PROTECTED]
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