Last Updated: Monday, 26 May 2025 By: Steve Warner

Decimal IP Address:	2885681144	( http://2885681144 )
IP Address:	171.255.255.248/30	( 0xABFFFFF8 )
Subnet Mask:	255.255.255.252	( 0xFFFFFFFC )
Wildcard (Inverse) Mask:	0.0.0.3	( 0x00000003 )
Network Address:	171.255.255.248	( 0xABFFFFF8 )
Broadcast Address:	171.255.255.251	( 0xABFFFFFB )
Binary IP Address:	10101011.11111111.11111111.11111000
Binary Subnet Mask:	11111111.11111111.11111111.11111100
AND
Binary Network Address:	10101011.11111111.11111111.11111000
Binary Broadcast Address:	10101011.11111111.11111111.11111011
Class of Address:	B
Number of Subnets:	16384
Number of IP:	4
Number of Useable Hosts:	2
in-addr.arpa format:	248.255.255.171.in-addr.arpa
Hostname:	dynamic-ip-adsl.viettel.vn
GEOIP Location:	VN - Vietnam
NAT64 Address:	64:FF9B::ABFF:FFF8
ISATAP Address:	FE80::0200:5EFE:ABFF:FFF8
mapped IPV4:	::ffff:ABFF:FFF8::/48
6to4:	2002:ABFF:FFF8::/48

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Subnet  Network             First Usable IP     Last Usable IP      Broadcast
0       171.255.255.0       171.255.255.1       171.255.255.2       171.255.255.3       
1       171.255.255.4       171.255.255.5       171.255.255.6       171.255.255.7       
2       171.255.255.8       171.255.255.9       171.255.255.10      171.255.255.11      
3       171.255.255.12      171.255.255.13      171.255.255.14      171.255.255.15      
4       171.255.255.16      171.255.255.17      171.255.255.18      171.255.255.19      
5       171.255.255.20      171.255.255.21      171.255.255.22      171.255.255.23      
6       171.255.255.24      171.255.255.25      171.255.255.26      171.255.255.27      
7       171.255.255.28      171.255.255.29      171.255.255.30      171.255.255.31      
8       171.255.255.32      171.255.255.33      171.255.255.34      171.255.255.35      
9       171.255.255.36      171.255.255.37      171.255.255.38      171.255.255.39      
10      171.255.255.40      171.255.255.41      171.255.255.42      171.255.255.43      
11      171.255.255.44      171.255.255.45      171.255.255.46      171.255.255.47      
12      171.255.255.48      171.255.255.49      171.255.255.50      171.255.255.51      
13      171.255.255.52      171.255.255.53      171.255.255.54      171.255.255.55      
14      171.255.255.56      171.255.255.57      171.255.255.58      171.255.255.59      
15      171.255.255.60      171.255.255.61      171.255.255.62      171.255.255.63      
16      171.255.255.64      171.255.255.65      171.255.255.66      171.255.255.67      
17      171.255.255.68      171.255.255.69      171.255.255.70      171.255.255.71      
18      171.255.255.72      171.255.255.73      171.255.255.74      171.255.255.75      
19      171.255.255.76      171.255.255.77      171.255.255.78      171.255.255.79      
20      171.255.255.80      171.255.255.81      171.255.255.82      171.255.255.83      
21      171.255.255.84      171.255.255.85      171.255.255.86      171.255.255.87      
22      171.255.255.88      171.255.255.89      171.255.255.90      171.255.255.91      
23      171.255.255.92      171.255.255.93      171.255.255.94      171.255.255.95      
24      171.255.255.96      171.255.255.97      171.255.255.98      171.255.255.99      
25      171.255.255.100     171.255.255.101     171.255.255.102     171.255.255.103     
26      171.255.255.104     171.255.255.105     171.255.255.106     171.255.255.107     
27      171.255.255.108     171.255.255.109     171.255.255.110     171.255.255.111     
28      171.255.255.112     171.255.255.113     171.255.255.114     171.255.255.115     
29      171.255.255.116     171.255.255.117     171.255.255.118     171.255.255.119     
30      171.255.255.120     171.255.255.121     171.255.255.122     171.255.255.123     
31      171.255.255.124     171.255.255.125     171.255.255.126     171.255.255.127     
32      171.255.255.128     171.255.255.129     171.255.255.130     171.255.255.131     
33      171.255.255.132     171.255.255.133     171.255.255.134     171.255.255.135     
34      171.255.255.136     171.255.255.137     171.255.255.138     171.255.255.139     
35      171.255.255.140     171.255.255.141     171.255.255.142     171.255.255.143     
36      171.255.255.144     171.255.255.145     171.255.255.146     171.255.255.147     
37      171.255.255.148     171.255.255.149     171.255.255.150     171.255.255.151     
38      171.255.255.152     171.255.255.153     171.255.255.154     171.255.255.155     
39      171.255.255.156     171.255.255.157     171.255.255.158     171.255.255.159     
40      171.255.255.160     171.255.255.161     171.255.255.162     171.255.255.163     
41      171.255.255.164     171.255.255.165     171.255.255.166     171.255.255.167     
42      171.255.255.168     171.255.255.169     171.255.255.170     171.255.255.171     
43      171.255.255.172     171.255.255.173     171.255.255.174     171.255.255.175     
44      171.255.255.176     171.255.255.177     171.255.255.178     171.255.255.179     
45      171.255.255.180     171.255.255.181     171.255.255.182     171.255.255.183     
46      171.255.255.184     171.255.255.185     171.255.255.186     171.255.255.187     
47      171.255.255.188     171.255.255.189     171.255.255.190     171.255.255.191     
48      171.255.255.192     171.255.255.193     171.255.255.194     171.255.255.195     
49      171.255.255.196     171.255.255.197     171.255.255.198     171.255.255.199     
50      171.255.255.200     171.255.255.201     171.255.255.202     171.255.255.203     
51      171.255.255.204     171.255.255.205     171.255.255.206     171.255.255.207     
52      171.255.255.208     171.255.255.209     171.255.255.210     171.255.255.211     
53      171.255.255.212     171.255.255.213     171.255.255.214     171.255.255.215     
54      171.255.255.216     171.255.255.217     171.255.255.218     171.255.255.219     
55      171.255.255.220     171.255.255.221     171.255.255.222     171.255.255.223     
56      171.255.255.224     171.255.255.225     171.255.255.226     171.255.255.227     
57      171.255.255.228     171.255.255.229     171.255.255.230     171.255.255.231     
58      171.255.255.232     171.255.255.233     171.255.255.234     171.255.255.235     
59      171.255.255.236     171.255.255.237     171.255.255.238     171.255.255.239     
60      171.255.255.240     171.255.255.241     171.255.255.242     171.255.255.243     
61      171.255.255.244     171.255.255.245     171.255.255.246     171.255.255.247     
62      171.255.255.248     171.255.255.249     171.255.255.250     171.255.255.251     
63      171.255.255.252     171.255.255.253     171.255.255.254     171.255.255.255     


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        CIDR Block          Network             Broadcast           Subnet Mask         No. IP's
        171.255.255.248/32  171.255.255.248  -  171.255.255.248     255.255.255.255     1              
        171.255.255.248/31  171.255.255.248  -  171.255.255.249     255.255.255.254     2              
        171.255.255.248/30  171.255.255.248  -  171.255.255.251     255.255.255.252     4              
        171.255.255.248/29  171.255.255.248  -  171.255.255.255     255.255.255.248     8              
        171.255.255.240/28  171.255.255.240  -  171.255.255.255     255.255.255.240     16             
        171.255.255.224/27  171.255.255.224  -  171.255.255.255     255.255.255.224     32             
        171.255.255.192/26  171.255.255.192  -  171.255.255.255     255.255.255.192     64             
        171.255.255.128/25  171.255.255.128  -  171.255.255.255     255.255.255.128     128            
        171.255.255.0/24    171.255.255.0    -  171.255.255.255     255.255.255.0       256            
        171.255.254.0/23    171.255.254.0    -  171.255.255.255     255.255.254.0       512            
        171.255.252.0/22    171.255.252.0    -  171.255.255.255     255.255.252.0       1024           
        171.255.248.0/21    171.255.248.0    -  171.255.255.255     255.255.248.0       2048           
        171.255.240.0/20    171.255.240.0    -  171.255.255.255     255.255.240.0       4096           
        171.255.224.0/19    171.255.224.0    -  171.255.255.255     255.255.224.0       8192           
        171.255.192.0/18    171.255.192.0    -  171.255.255.255     255.255.192.0       16384          
        171.255.128.0/17    171.255.128.0    -  171.255.255.255     255.255.128.0       32768          
        171.255.0.0/16      171.255.0.0      -  171.255.255.255     255.255.0.0         65536          
        171.254.0.0/15      171.254.0.0      -  171.255.255.255     255.254.0.0         131072         
        171.252.0.0/14      171.252.0.0      -  171.255.255.255     255.252.0.0         262144         
        171.248.0.0/13      171.248.0.0      -  171.255.255.255     255.248.0.0         524288         
        171.240.0.0/12      171.240.0.0      -  171.255.255.255     255.240.0.0         1048576        
        171.224.0.0/11      171.224.0.0      -  171.255.255.255     255.224.0.0         2097152        
        171.192.0.0/10      171.192.0.0      -  171.255.255.255     255.192.0.0         4194304        
        171.128.0.0/9       171.128.0.0      -  171.255.255.255     255.128.0.0         8388608        
        171.0.0.0/8         171.0.0.0        -  171.255.255.255     255.0.0.0           16777216       
        170.0.0.0/7         170.0.0.0        -  171.255.255.255     254.0.0.0           33554432       
        168.0.0.0/6         168.0.0.0        -  171.255.255.255     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