8
|
7
|
6
|
5
|
4
|
3
|
2
|
1
|
128
|
64
|
32
|
16
|
8
|
4
|
2
|
1
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
128
|
64
|
32
|
16
|
8
|
4
|
2
|
1
|
b.jumlah IP total ?
8-3 = 5(lihat tabel jumlah IP no.5) = 16
c.subnet mask?
256-16 = 240. jadi subnet mask nya 255.255.255.240
d.jumlah host/subnet
total IP – 2. 16-2 = 14.
e.IP network dan IP Broadcast
*range IP tersebut = 45 : 16 = 2,8 kita bulatkan ke bawah untuk IP Network dan bulatkan ke atas untuk broadcast.. 16 *2 = 32 & 16*3 = 48. jadi, range dari IP tersebut 192.168.1.32-192.168.1.47
IP Network = 192.168.1.42.32
IP Broadcast = 192.168.1.47.
>untuk anda yang memiliki IQ di atas rata-rata dan lebih suka menghafala dari pada menghitung,, dibawah ini saya lampirkan tabel subnetting untuk kelas C,B,dan A.
Tabel Kelas C
CIDR
|
Subnet Mask
|
Jumlah Subnet
|
Total IP
|
Jumlah Host/Subnet
|
/24
|
255.255.255.0
|
1
|
256
|
254
|
/25
|
255.255.255.128
|
2
|
128
|
126
|
/26
|
255.255.255.192
|
4
|
64
|
62
|
/27
|
255.255.255.224
|
8
|
32
|
30
|
/28
|
255.255.255.240
|
16
|
16
|
14
|
/29
|
255.255.255.248
|
32
|
8
|
6
|
/30
|
255.255.255.252
|
64
|
4
|
2
|
/31
|
255.255.255.254
|
128
|
2
|
0
|
CIDR
|
Subnet Mask
|
Jumlah Subnet
|
Total IP
|
Jumlah Host/Subnet
|
/16
|
255.255.0.0
|
1
|
65.536
|
65.534
|
/17
|
255.255.128.0
|
2
|
32.768
|
32.766
|
/18
|
255.255.192.0
|
4
|
16.384
|
16.382
|
/19
|
255.255.224.0
|
8
|
8.192
|
8.190
|
/20
|
255.255.240.0
|
16
|
4.096
|
4.094
|
/21
|
255.255.248.0
|
32
|
2.048
|
2.046
|
/22
|
255.255.252.0
|
64
|
1.024
|
1.022
|
/23
|
255.255.254.0
|
128
|
512
|
510
|
CIDR
|
Subnet Mask
|
Jumlah Subnet
|
Total IP
|
Jumlah Host/Subnet
|
/8
|
255.0.0.0
|
1
|
16.777.216
|
16.777.214
|
/9
|
255.128.0.0
|
2
|
8.388.608
|
8.388.606
|
/10
|
255.192.0.0
|
4
|
4.194.304
|
4.194.302
|
/11
|
255.224.0.0
|
8
|
2.097.152
|
2.097.150
|
/12
|
255.240.0.0
|
16
|
1.048.576
|
1.048.574
|
/13
|
255.248.0.0
|
32
|
524.288
|
524.286
|
/14
|
255.252.0.0
|
64
|
262.144
|
262.142
|
/15
|
255.254.0.0
|
128
|
131.072
|
131.070
|