The IP address is a 32 bit entity of the format A.B.C.D. Each of these fields(A,B,C,D) are of 8 bits. The network mask in the format /X is a network mask with first X bits set to 1 and the remaining 32 -X bits is 0. To find the network address, the IP address needs to be applied with the network mask.
To display in binary convert each field into an 8 bit binary value.
1. 129.53.5.0/16
Network Mask: 11111111 . 11111111 . 00000000. 00000000
Address in Binary:
10000001 . 00110101 . 00000101. 00000000
Network Address (set all host bits to zero):
10000001 . 00110101 . 00000000. 00000000
Dotted decimal: 129.53.0.0
Broadcast Address (set all host bits to one):
10000001 . 00110101 . 11111111. 11111111
Dotted decimal: 129.53.255.255
Range of address (between the network address and the host address):
10000001 . 00110101 . 00000000. 00000001
10000001 . 00110101 . 11111111. 11111110
Dotted decimal range: 129.53.0.1 à 129.53.255.254
2. 64.128.72.16/8
Network mask: 11111111 . 00000000 . 00000000 . 00000000
Address in Binary:
01000000.10000000. 01001000. 00010000
Network Address (set all host bits to zero):
01000000.00000000 . 00000000 . 00000000
Dotted decimal: 64.0.0.0
Broadcast Address (set all host bits to one):
01000000.11111111 . 11111111 . 11111111
Dotted decimal: 64.255.255.255
Range of address (between the network address and the host address):
01000000. 00000000 . 00000000 . 00000001
01000000 . 11111111 . 11111111 . 11111110
Dotted decimal range: 64.0.0.1 à 64.255.255.254
3. 29.47.116.11/16
Network Mask: 11111111 . 11111111 . 00000000. 00000000
Address in Binary:
00011101 . 00101111 . 01110100 . 00001011
Network Address (set all host bits to zero):
00011101 . 00101111 . 00000000 . 00000000
Dotted decimal: 29.47.0.0
Broadcast Address (set all host bits to one):
00011101 . 00101111 . 11111111.11111111
Dotted decimal: 29.47.255.255
Range of address (between the network address and the host address):
00011101 . 00101111 . 00000000 . 000000001
00011101 . 00101111 . 11111111 . 11111110
Dotted decimal range: 29.47.0.1 à 29.47.255.254
4. 192.168.32.252/24
Network Address: 11111111 . 11111111 . 11111111 . 00000000
Address in Binary:
11000000 . 10101000 . 00100000 . 11111100
Network Address (set all host bits to zero):
11000000 . 10101000 . 00100000 . 00000000
Dotted decimal: 192.168.32.0
Broadcast Address (set all host bits to one):
11000000 . 10101000 . 00100000 . 11111111
Dotted decimal: 192.168.32.255
Range of address (between the network address and the host address):
11000000 . 10101000 . 00100000 . 00000001
11000000 . 10101000 . 00100000 . 11111111
Dotted decimal range: 192.168.32.1 à 192.168.32.254
5. 237.96.128.116/24
Network Address: 11111111 . 11111111 . 11111111 . 00000000
Address in Binary:
11101101 . 01100000 . 10000000 . 01110100
Network Address (set all host bits to zero):
11101101 . 01100000 . 10000000 . 00000000
Dotted decimal: 237.96.128.0
Broadcast Address (set all host bits to one):
11101101 . 01100000 . 10000000 . 11111111
Dotted decimal: 237.96.128.255
Range of address (between the network address and the host address):
11101101 . 01100000 . 10000000 . 00000001
11101101 . 01100000 . 10000000 . 11111110
Dotted decimal range: 237.96.128.1 à 237.96.128.254
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