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I'm not sure if this is the right place to ask this, but I am having trouble adding CIDR IP ranges e.g. 206.111.0.0/16 to my Comcast Gateway. I went to Manage Sites and it says:

Please Input a valid URL format or an IPv4 address in the format #.#.#.#

Is there anyway around this?

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migrated from security.stackexchange.com Mar 13 '13 at 1:07

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2  
Based on that error message, I guess, that device does not support ip-range bans. –  Hendrik Brummermann Mar 13 '13 at 1:09
    
That sucks, the firewall does not have an advanced settings... only parental website blocking. –  Mr. Polywhirl Mar 13 '13 at 1:17

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