Need to block ?

[Ed Greshko]

Bob Goodwin - W2BOD wrote:
> 
> What is the correct notation for blocking a range of addresses in my
> router?
> 
> If I block 64.18.5.13  it simply moves up to 64.18.5.14.
> 
> I thought the proper way to do it was 64.18.5.0/255 but obviously that's
> wrong or at least doesn't work for me.
> 
> Whatever it is has run my upload data allotment up to 3gigs and I'm only
> allowed 5g for 30 days!  So this is a panic and I haven't been able to
> find why this is possible?

And your router is?

In normal CIDR notation it would be 64.18.5.0/24.