How to put .htaccess in wp-admin wordpress folder

I m trying to put a .htaccess file in wp-admin folder of my wordpress so that it can be accessble by me only !

Problem is , my ISP is not giving me a static ip and keep changing ... but all in the range of

14.98.xxx.xxx

its changing only in this format 14.98.xxx.xxx

how can i put ip restriction

Many thanks in advance !

 

Use this code

order deny,allow
allow from 99.88.*.*
deny from all

Code (markup):

 

I tried that , its blocking me also .. instead its showing 404 error

but when i put the whole ip , it works

order deny,allow
allow from 99.88.23.12
deny from all

Code (markup):

can u plz guide me

 

Don't use * while defining the subnet. Use the following:

OR