Last Updated:
Saturday, 23 September 2017 By: Steve Warner

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CCNA™

 IPv4 Subnet Mask Calculator

V1.24e  


 
Decimal IP Address:2886729759( http://2886729759 )
IP Address:172.16.0.31/30( 0xAC10001F )
Subnet Mask:255.255.255.252( 0xFFFFFFFC )
Wildcard (Inverse) Mask:0.0.0.3( 0x00000003 )
Network Address:172.16.0.28( 0xAC10001C )
Broadcast Address:172.16.0.31( 0xAC10001F )
Binary IP Address:10101100.00010000.00000000.00011111
Binary Subnet Mask:11111111.11111111.11111111.11111100
AND
Binary Network Address:10101100.00010000.00000000.00011100
 
Binary Broadcast Address:10101100.00010000.00000000.00011111
Class of Address:B ( RFC1918 )
Number of Subnets:16384
Number of IP:4
Number of Useable Hosts:2
in-addr.arpa format:31.0.16.172.in-addr.arpa
 
NAT64 Address:64:FF9B::AC10:001F
ISATAP Address:FE80::0200:5EFE:AC10:001F
6to4:2002:AC10:001F::/48
<Prev
Subnet  Network             First Usable IP     Last Usable IP      Broadcast
0       172.16.0.0          172.16.0.1          172.16.0.2          172.16.0.3          
1       172.16.0.4          172.16.0.5          172.16.0.6          172.16.0.7          
2       172.16.0.8          172.16.0.9          172.16.0.10         172.16.0.11         
3       172.16.0.12         172.16.0.13         172.16.0.14         172.16.0.15         
4       172.16.0.16         172.16.0.17         172.16.0.18         172.16.0.19         
5       172.16.0.20         172.16.0.21         172.16.0.22         172.16.0.23         
6       172.16.0.24         172.16.0.25         172.16.0.26         172.16.0.27         
7       172.16.0.28         172.16.0.29         172.16.0.30         172.16.0.31         
8       172.16.0.32         172.16.0.33         172.16.0.34         172.16.0.35         
9       172.16.0.36         172.16.0.37         172.16.0.38         172.16.0.39         
10      172.16.0.40         172.16.0.41         172.16.0.42         172.16.0.43         
11      172.16.0.44         172.16.0.45         172.16.0.46         172.16.0.47         
12      172.16.0.48         172.16.0.49         172.16.0.50         172.16.0.51         
13      172.16.0.52         172.16.0.53         172.16.0.54         172.16.0.55         
14      172.16.0.56         172.16.0.57         172.16.0.58         172.16.0.59         
15      172.16.0.60         172.16.0.61         172.16.0.62         172.16.0.63         
16      172.16.0.64         172.16.0.65         172.16.0.66         172.16.0.67         
17      172.16.0.68         172.16.0.69         172.16.0.70         172.16.0.71         
18      172.16.0.72         172.16.0.73         172.16.0.74         172.16.0.75         
19      172.16.0.76         172.16.0.77         172.16.0.78         172.16.0.79         
20      172.16.0.80         172.16.0.81         172.16.0.82         172.16.0.83         
21      172.16.0.84         172.16.0.85         172.16.0.86         172.16.0.87         
22      172.16.0.88         172.16.0.89         172.16.0.90         172.16.0.91         
23      172.16.0.92         172.16.0.93         172.16.0.94         172.16.0.95         
24      172.16.0.96         172.16.0.97         172.16.0.98         172.16.0.99         
25      172.16.0.100        172.16.0.101        172.16.0.102        172.16.0.103        
26      172.16.0.104        172.16.0.105        172.16.0.106        172.16.0.107        
27      172.16.0.108        172.16.0.109        172.16.0.110        172.16.0.111        
28      172.16.0.112        172.16.0.113        172.16.0.114        172.16.0.115        
29      172.16.0.116        172.16.0.117        172.16.0.118        172.16.0.119        
30      172.16.0.120        172.16.0.121        172.16.0.122        172.16.0.123        
31      172.16.0.124        172.16.0.125        172.16.0.126        172.16.0.127        
32      172.16.0.128        172.16.0.129        172.16.0.130        172.16.0.131        
33      172.16.0.132        172.16.0.133        172.16.0.134        172.16.0.135        
34      172.16.0.136        172.16.0.137        172.16.0.138        172.16.0.139        
35      172.16.0.140        172.16.0.141        172.16.0.142        172.16.0.143        
36      172.16.0.144        172.16.0.145        172.16.0.146        172.16.0.147        
37      172.16.0.148        172.16.0.149        172.16.0.150        172.16.0.151        
38      172.16.0.152        172.16.0.153        172.16.0.154        172.16.0.155        
39      172.16.0.156        172.16.0.157        172.16.0.158        172.16.0.159        
40      172.16.0.160        172.16.0.161        172.16.0.162        172.16.0.163        
41      172.16.0.164        172.16.0.165        172.16.0.166        172.16.0.167        
42      172.16.0.168        172.16.0.169        172.16.0.170        172.16.0.171        
43      172.16.0.172        172.16.0.173        172.16.0.174        172.16.0.175        
44      172.16.0.176        172.16.0.177        172.16.0.178        172.16.0.179        
45      172.16.0.180        172.16.0.181        172.16.0.182        172.16.0.183        
46      172.16.0.184        172.16.0.185        172.16.0.186        172.16.0.187        
47      172.16.0.188        172.16.0.189        172.16.0.190        172.16.0.191        
48      172.16.0.192        172.16.0.193        172.16.0.194        172.16.0.195        
49      172.16.0.196        172.16.0.197        172.16.0.198        172.16.0.199        
50      172.16.0.200        172.16.0.201        172.16.0.202        172.16.0.203        
51      172.16.0.204        172.16.0.205        172.16.0.206        172.16.0.207        
52      172.16.0.208        172.16.0.209        172.16.0.210        172.16.0.211        
53      172.16.0.212        172.16.0.213        172.16.0.214        172.16.0.215        
54      172.16.0.216        172.16.0.217        172.16.0.218        172.16.0.219        
55      172.16.0.220        172.16.0.221        172.16.0.222        172.16.0.223        
56      172.16.0.224        172.16.0.225        172.16.0.226        172.16.0.227        
57      172.16.0.228        172.16.0.229        172.16.0.230        172.16.0.231        
58      172.16.0.232        172.16.0.233        172.16.0.234        172.16.0.235        
59      172.16.0.236        172.16.0.237        172.16.0.238        172.16.0.239        
60      172.16.0.240        172.16.0.241        172.16.0.242        172.16.0.243        
61      172.16.0.244        172.16.0.245        172.16.0.246        172.16.0.247        
62      172.16.0.248        172.16.0.249        172.16.0.250        172.16.0.251        
63      172.16.0.252        172.16.0.253        172.16.0.254        172.16.0.255        
Next>


        CIDR Block          Network             Broadcast           Subnet Mask         No. IP's
        172.16.0.31/32      172.16.0.31      -  172.16.0.31         255.255.255.255     1              
        172.16.0.30/31      172.16.0.30      -  172.16.0.31         255.255.255.254     2              
        172.16.0.28/30      172.16.0.28      -  172.16.0.31         255.255.255.252     4              
        172.16.0.24/29      172.16.0.24      -  172.16.0.31         255.255.255.248     8              
        172.16.0.16/28      172.16.0.16      -  172.16.0.31         255.255.255.240     16             
        172.16.0.0/27       172.16.0.0       -  172.16.0.31         255.255.255.224     32             
        172.16.0.0/26       172.16.0.0       -  172.16.0.63         255.255.255.192     64             
        172.16.0.0/25       172.16.0.0       -  172.16.0.127        255.255.255.128     128            
        172.16.0.0/24       172.16.0.0       -  172.16.0.255        255.255.255.0       256            
        172.16.0.0/23       172.16.0.0       -  172.16.1.255        255.255.254.0       512            
        172.16.0.0/22       172.16.0.0       -  172.16.3.255        255.255.252.0       1024           
        172.16.0.0/21       172.16.0.0       -  172.16.7.255        255.255.248.0       2048           
        172.16.0.0/20       172.16.0.0       -  172.16.15.255       255.255.240.0       4096           
        172.16.0.0/19       172.16.0.0       -  172.16.31.255       255.255.224.0       8192           
        172.16.0.0/18       172.16.0.0       -  172.16.63.255       255.255.192.0       16384          
        172.16.0.0/17       172.16.0.0       -  172.16.127.255      255.255.128.0       32768          
        172.16.0.0/16       172.16.0.0       -  172.16.255.255      255.255.0.0         65536          
        172.16.0.0/15       172.16.0.0       -  172.17.255.255      255.254.0.0         131072         
        172.16.0.0/14       172.16.0.0       -  172.19.255.255      255.252.0.0         262144         
        172.16.0.0/13       172.16.0.0       -  172.23.255.255      255.248.0.0         524288         
        172.16.0.0/12       172.16.0.0       -  172.31.255.255      255.240.0.0         1048576        
        172.0.0.0/11        172.0.0.0        -  172.31.255.255      255.224.0.0         2097152        
        172.0.0.0/10        172.0.0.0        -  172.63.255.255      255.192.0.0         4194304        
        172.0.0.0/9         172.0.0.0        -  172.127.255.255     255.128.0.0         8388608        
        172.0.0.0/8         172.0.0.0        -  172.255.255.255     255.0.0.0           16777216       
        172.0.0.0/7         172.0.0.0        -  173.255.255.255     254.0.0.0           33554432       
        172.0.0.0/6         172.0.0.0        -  175.255.255.255     252.0.0.0           67108864       
        168.0.0.0/5         168.0.0.0        -  175.255.255.255     248.0.0.0           134217728      
        160.0.0.0/4         160.0.0.0        -  175.255.255.255     240.0.0.0           268435456      
        160.0.0.0/3         160.0.0.0        -  191.255.255.255     224.0.0.0           536870912      
        128.0.0.0/2         128.0.0.0        -  191.255.255.255     192.0.0.0           1073741824     
        128.0.0.0/1         128.0.0.0        -  255.255.255.255     128.0.0.0           2147483648     
        0.0.0.0/0           0.0.0.0          -  255.255.255.255     0.0.0.0             4294967296     




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