ZyXEL Communications Internet Security Gateway ZyWALL 2 Series - Manual (Page 568)

ZyWALL 2 Series User’s Guide
I-8 IP Subnetting
Chart I-13 Class B Subnet Planning
NO. “BORROWED” HOST BITS SUBNET MASK NO. SUBNETS NO. HOSTS PER SUBNET
(/29)
14 255.255.255.252
(/30)
16384 2
15 255.255.255.254
(/31)
32768 1