Have you tried to email this isp?         abuse@bulldogdsl.com
I would start here. I have been quite fortunate and foung that the isp 
will respond. I response to you other issue, I am trying to locate the 
answer. I now I Have it, but I suspect the answer I have will block all 
of England.  I f this is not an issue, I will continue to search.

Mike

Jim wrote:

> I run a web server and an ftp server on my linux box.  On the web 
> server I also have one of those html to email forms so users can email 
> me without having to know my email address.  Lately a troll has 
> started using that form to make a pest of himself.  I want to block 
> him from having access to my web and ftp servers.  Yesterday I blocked 
> the address he's been using for several days.  Today he got back in.  
> I looked and discovered that his ISP apparently assigns its users 
> dynamic IP addresses.
>
> I did a lookup on the two IP addresses he's used so far.  They appear 
> to be from two different subnets.  I would like to block those subnets 
> without blocking anything else.
>
> For example: I know in httpd.conf if I put in
> RewriteCond %{REMOTE_ADDR} 192\.168\..*
> it will block any IP address that begins with 192.168
>
> Can someone please tell me what in the above example I need to enter 
> to block the subnets the troll is using?  Below is information I found 
> at www.ripe.net/whois
>
> For 83.146.27.162
>
> inetnum:      83.146.26.0  - 83.146.27.255
> route:        83.146.0.0/18
>
> For 84.9.75.12
>
> inetnum:      84.9.64.0  - 84.9.95.255
> route:        84.9.0.0/16
>
> Thank you
>
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