D-Link DES-3326S User Manual page 87

DES-3326S Layer 3 Fast Ethernet Switch User's Guide
# of Subnet Mask
Bits
2 255.192.0.0
3 255.224.0.0
4 255.240.0.0
5 255.248.0.0
6 255.252.0.0
7 255.254.0.0
8 255.255.0.0
9 255.255.128.0
10 255.255.192.0
11 255.255.224.0
12 255.255.240.0
13 255.255.248.0
14 255.255.252.0
15 255.255.254.0
16 255.255.255.0
17 255.255.255.1
28
18 255.255.255.1
92
19 255.255.255.2
24
20 255.255.255.2
40
21 255.255.255.2
48
22 255.255.255.2
52
# 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
Switch Management and Operating Concepts
CID # of
R Subnets
Nota
tion
/10 2
/11 6
/12 14
/13 30
/14 62
/15 126
/16 254
/17 510
/18 1022
/19 2046
/20 4094
/21 8190
/22 16382
/23 32766
/24 65534
/25 131070
/26 262142
/27 525286
/28 104857
4
/29 209715
0
/30 419430
2
Table 5-9. Class A Subnet Masks
CIDR # of
Notation Subnets
/18 2
/19 6
/20 14
/21 30
/22 62
/23 126
# of Total Hosts
Hosts
419430 8388604
2
209715 12582900
0
104857 14680036
4
524286 15728580
262142 16252804
131070 16514820
65534 16645636
32766 16710660
16382 16742404
8190 16756740
4094 16760836
2046 16756740
1022 16742404
510 16710660
254 16645636
126 16514820
62 16252804
30 15728580
14 14680036
6 12582900
2 8388604
# of Total
Hosts Hosts
16382 32764
8190 49140
4094 57316
2046 61380
1022 63364
510 64260
87