Ip addressing table

IP Addressing Guide
Class A first octet range 1-127* Class B first octet range 128-191 Class C first octet range 192-223 Class D first octet range 224-239 Class E first octet range 240-255 (Network127 is reserved for loopback and internal testing) Leading bit pattern Leading bit pattern Leading bit pattern Leading bit pattern Leading bit pattern 0 10 110 1110 11110

(Reserved for multicast)(Reserved for experimental, used for research)

Maximum number of unique address in each class Class A 2^7 - 2 = 127 Class B 2^14 - 2 = 16,382 Class C 2^21 - 2 = 2,097,150 Formulas to determine thenumber of subsets or hosts created by borrowing from the host portion of the address M = the number of bits borrowed (Masked) U = the number of bits remaining or not borrowed (Unmasked) 2^M = Total #of subnets created 2^U = Total # of host on each subnets 2^M - 2 = Useable # of subnet created 2^U - 2 = Useable # of host on each subnet Class A License N.H.H.H Subnet Mask # of Bits Total # BorrowedSubnets 2 255.192.0.0 4 3 255.224.0.0 8 4 255.240.0.0 16 5 255.248.0.0 32 6 255.252.0.0 64 7 255.254.0.0 128 8 255.255.0.0 256 9 255.255.128.0 512 10 255.255.192.0 1,024 11 255.255.224.0 2,048 12255.255.240.0 4,096 13 255.255.248.0 8,192 14 255.255.252.0 16,384 15 255.255.254.0 32,768 16 255.255.255.0 65,536 17 255.255.255.128 131,072 18 255.255.255.192 262,144 19 255.255.255.224 524,288 20255.255.255.240 1,048,576 21 255.255.255.248 2,097,152 22 255.255.255.252 4,194,304 Useable # Subnets 2 6 14 30 62 126 254 510 1,022 2,046 4,094 8,190 16,382 32,766 65,534 131,070 262,142 524,286 1,048,5742,097,150 4,194,302 Total # Hosts 4,194,304 2,097,152 1,048,576 524,288 262,144 131,072 65,536 32,768 16,384 8,192 4,096 2,048 1,024 512 256 128 64 32 16 8 4 Useable # Hosts 4,194,302 2,097,1501,048,574 524,286 262,142 131,070 65,534 32,766 16,382 8,190 4,094 2,046 1,022 510 254 126 62 30 14 6 2 Class B License N.N.H.H Subnet Mask # of Bits Total # Borrowed Subnets 2 255.255.192.0 4 3...