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.