[Quản trị mạng]

Dia chi IP : Dinh danh cho NIC
So nguyen: 32 bit (IPV4)
128 bit (IPV6)

n bit cho mang  + 32-n bit cho NIC
VD:
10.10.10.5/24 = 255 IP khac nhau
net mask :  11111111 11111111 11111111 00000000
255.255.255.0
256 may co trong mang nay
 IPs: 10.10.10.0 (network) -10.10.10.255 (broadcast)

10.10.10.5/18
netmask 11111111 11111111 11000000 00000000
255.255.192.0

2^14 may co the o trong mang nay
IPs: 10.10.0.0 (network) -10.10.63.255(broad cast)
00001010 00001010 00001010 00000101
11111111 11111111 11000000 00000000



Mau vang la dia chi cho mang con khong to mau la dia chi cho NIC