Meh KitA Blaja About ilmu kira2 --- IP subnetting N CIDR

Pengiraan : IP subnetting dan CIDR (classless inter domain routing)

·         CIDR boleh menggantikan subnet mask

Cth 1:  (kelas A)

IP Address          10 . 1 . 1 . 10

Subnet mask      255 . 0 . 0 . 0

111111111 . 00000000 . 00000000 . 00000000

                       8bit

CIDR                      10 . 1 . 1 . 10 / 8

Cth 2 : (kelas B)

IP Address          172 . 16 . 30 . 31

Subnet mask      255 . 255 . 0 . 0

                111111111 . 11111111 . 00000000 . 00000000

                       8bit              8bit

CIDR                      172 . 16 .  30 . 31 / 16

Cth 3:  (kelas C)

IP Address          192 . 168 . 100 . 1

Subnet mask      255 . 255 . 255 . 0

111111111 . 11111111 . 11111111 . 00000000

                     8bit              8bit                   8 bit

CIDR                      192 . 16 8.  100. 1 / 24

Cth 4 :

IP Address          10 . 1 . 10 . 100

Subnet mask      255 . 255 . 192 . 0

                111111111 . 11111111 .11000000 . 00000000

                       8bit              8bit               2bit

CIDR                      10 . 1 . 10 . 100 / 18