Quote:
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Originally Posted by jtwn
ntl as a whole -
Quote:
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Originally Posted by Robin Walker
On the NTL cable modem service, the possible in-service IP address ranges are:
62.252.xxx.xxx to 62.255.xxx.xxx.
80.0.xxx.xxx to 80.7.xxx.xxx.
81.96.xxx.xxx to 81.111.xxx.xxx.
82.0.xxx.xxx to 82.31.xxx.xxx.
213.104.xxx.xxx to 213.107.xxx.xxx.
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86.0.0.0/11 is for ntl's use as well.
Infact if you allow the following:
62.252.0.0/14
80.0.0.0/13
81.96.0.0/12
82.0.0.0/11
86.0.0.0/11
213.104.0.0/14
You're probably fairly safe.
/14 CIDR = 255.252.0.0 standard notation
/13 CIDR = 255.248.0.0 standard notation
/12 CIDR = 255.240.0.0 standard notation
/11 CIDR = 255.224.0.0 standard notation