128.40.0.0/18
1. Tentukan Jumlah Subnet : 2^x
11111111.11111111.11000000.00000000
2^2= 4 subnet
2.Tentukan Jumlah Host/Subnet : 2^y
2^14 = 16.384 Host
3. Tentukan Jumlah Host Valid : (2^y)-2
(2^14)-2 = 16.384 - 2 = 16.382
4. Tentukan netmask/subnet mask : 256 - (2^y)
256-(2^6) = 256 - 64 = 192
Netmask nya dalah 255.255.192.0
5. Tentukan IP Address/ Rentang IP Address
????
Subnet 1
Network : 129.30.0.0
I : 129.30.0.1
End : 129.30.15.254
Broadcast : 129.30.15.255
Subnet 2
Network : 129.30.64.0
I : 129.30.64.1
End : 129.30.31.254
Broadcast : 129.30.31.255
*Nomor 5 gak tau
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