The sum of the numbers 3, 180, 43, 2, 191, 88, 190, 14, 181, 44, 186, and 253 is 1,175.
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The classes are based on what range the first octet of the ip address falls in. Class A: 0-127 Class B: 128-191 Class C: 192-223
There are 4 Classes of ip Class A : 0-126 Class B : 128-191 Class C : 191-224 Class D : 224-239 Class E : 240-255 Note : The ip 127 is dedicated for Loopback testing and cannot be assigned to a network
CLASS A - 1-126 (10.0.0.0) 1 n/w, 3 host CLASS B - 128-191 (172.16.0.0) 2 n/w, 2 host CLASS C - 192- 223 (192.168.0.0) 3 n/w, 1 host CLASS D - 224-239 CLASS E - 240- 254
220.244.38.168 is a Class C address. You can justify by the below given information: Class A 0-127 | N | H | H | H | Class B 128-191 | N | N | H | H | Class C 192-223 | N | N | N | H | Class D 224-239 Reserved for multicasting Class E 240-255 Reserved for future use N- Network bits H- Host bits
10.56.176.0 is your network. 255.255.240.0 is your subnet mask. Valid broadcast addresses would be 10.56.176.255 (network broadcast) and 255.255.255.255 (general network broadcast). The general network broadcast would actually broadcast to every machine on the internet, but internet routers will block all traffic from it to prevent this. In effect if you use either 10.56.176.255 or 255.255.255.255, the result is broadcasting to all machines on your network.