Cabletron Systems EMM-E6 Ethernet - Manual (Page 41)

REVIEW OF ADDRESSING
EMM-E6 User’s Guide 1-29
Table 1-7. Examples of Class B Subnet Masks
Decimal
Mask
Binary
Equivalent
Available Subnet
Addresses
Host IDs
Per Subnet
192. 0 11000000 00000000 64 and 192 16,382
224. 0 11100000 00000000
32, 64, 96, 128, 192,
224
8,190
240. 0 11110000 00000000
16 - 240
increments of 16
4,094
248. 0 11111000 00000000
8 - 248
increments of 8
2,046
252. 0 11111100 00000000
4 - 252
increments of 4
1,022
254. 0 11111110 00000000
2 - 254
increments of 2
510
255. 0 11111111 00000000 1 - 254 254
255. 128 11111111 10000000
0 - 255.128
1 - 255. 0
126
255. 192 11111111 11000000
0 - 254. 192
0 - 255. 128
0 - 255. 64
1 - 255. 0
62
255. 224 11111111 11100000
0 - 255. 32, 64, 96,
128, 160, 192, 224
0 - 254. 224
1 - 254. 0
30
255. 240 11111111 11110000
0 - 254. 240
0 - 255. 16 - 240
increments of 16
1 - 255. 0
14
255. 248 11111111 11111000
0 - 255. 8 - 240
increments of 8
0 - 254. 248
6
255. 252 11111111 11111100
0 - 255. 4 - 248
increments of 4
0 - 254. 252
2
CH1Book Page 29 Wednesday, March 20, 1996 7:48 AM