IP ADDRESS CLASSES ADDRESS CLASS 1 ST OCTET RANGE (DECIMAL) 1 ST OCTET BITS (GREEN BITS DON’T CHANGE) NETWORK(N) AND HOST(H) PARTS OF AN ADDRESS DEFAULT SUBNET MASK (DECIMAL AND BINARY) NUMBERS OF POSSIBLE NETWORKS AND HOST PER NETWORK. A 1-127 00000000-01111111 N.H.H.H 255.0.0.0 11111111.0000000. 00000000.00000000 126 NETS (2^7-2) 16,777,214 HOSTS PER NET (2^24-2) B 128-191 10000000-10111111 N.N.H.H. 255.255.0.0 11111111.11111111. 00000000.00000000 16 382 NETS (2^14-2) 65,534 HOSTS PER NETS (2^16-2) C 192-223 11000000- 11011111 N.N.N.H 255.255.255.0 11111111.11111111. 11111111.00000000 2,097,150 NETS (2^21-2) 254 HOSTS PER NET (2^8-2) D 224-239 11100000- 11101111 NOT FO