D-Link DES-3326 User Manual page 90

DES-3326 Layer 3 Fast Ethernet Switch User's Guide
17 255.255.255.128
18 255.255.255.192
19 255.255.255.224
20 255.255.255.240
21 255.255.255.248
22 255.255.255.252
Table 5-7. Class A Subnet Masks
# of Subnet Mask
Bits
2 255.255.192
3 255.255.224.0
4 255.255.240.0
5 255.255.248.0
6 255.255.252.0
7 255.255.254.0
8 255.255.255.0
9 255.255.255.128
10 255.255.255.192
11 255.255.255.224
12 255.255.255.240
13 255.255.255.248
14 255.255.255.252
Figure 5-8. Class B Subnet Masks
# of Subnet Mask
Bits
2 255.255.255.192
3 255.255.255.224
4 255.255.255.240
5 255.255.255.248
6 255.255.255.252
Figure 5-9. Class C Subnet Masks
76
/25 131070 126
/26 262142 62
/27 525286 30
/28 1048574 14
/29 2097150 6
/30 4194302 2
CIDR # of # of
Notation Subnets Hosts
/18 2 16382
/19 6 8190
/20 14 4094
/21 30 2046
/22 62 1022
/23 126 510
/24 254 254
/25 510 126
/26 1022 62
/27 2046 30
/28 4094 14
/29 8190 6
/30 16382 2
CIDR # of # of
Notation Subnets Hosts
/26 2 62
/27 6 30
/28 14 14
/29 30 6
/30 62 2
Switch Management and Operating Concepts
16514820
16252804
15728580
14680036
12582900
8388604
Total
Hosts
32764
49140
57316
61380
63364
64260
64516
64260
63364
61380
57316
49140
32764
Total
Hosts
124
180
196
180
124