htaccess rewrite rule

We're using lines in the htaccess like this:     RewriteCond %{REMOTE_ADDR} !^75\.88\.1\.63$
for only the ip's allowed to login to the wp-admin of a site. The ip in that line is one of mine which changes very often but always will start with 75.88.
Is there a way to change that line so that the last two number sets can vary rather than have to add my ip everytime my ip changes?
I'm the programmer of the site so I'm in it most often. So if I could avoid having to edit the htaccess all the time, that would save some hassle.
Thanks for any help.
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>> but always will start with 75.88.
Then use:

RewriteCond %{REMOTE_ADDR} !^75\.88\.

(omit the last two numbers and the dollar sign.

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DzynitAuthor Commented:
Thank you - and that won't affect any lines after correct? They add more lines with full ip addresses for their post authors so I want to make sure I don't do anything that would lock them out.
>> They add more lines with full ip addresses for their post
As long as the other IP addresses do not start with 75.88 you should be OK.
DzynitAuthor Commented:
Thanks very much!
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