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NetMask Quick Reference \T\T# BITS\N\T\T# HOSTS\NUsable hosts\T\TNETMASK\N\T\TCISCO MASK\N /4 268435456 268435454 240.0.0.0 15.255.255.255 /5 134217728 134217726 248.0.0.0 7.255.255.255 /6 67108864 67108862...
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