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

Decimal IP Address:	2885745424	( http://2885745424 )
IP Address:	172.0.251.16/28	( 0xAC00FB10 )
Subnet Mask:	255.255.255.240	( 0xFFFFFFF0 )
Wildcard (Inverse) Mask:	0.0.0.15	( 0x0000000F )
Network Address:	172.0.251.16	( 0xAC00FB10 )
Broadcast Address:	172.0.251.31	( 0xAC00FB1F )
Binary IP Address:	10101100.00000000.11111011.00010000
Binary Subnet Mask:	11111111.11111111.11111111.11110000
AND
Binary Network Address:	10101100.00000000.11111011.00010000
Binary Broadcast Address:	10101100.00000000.11111011.00011111
Class of Address:	B
Number of Subnets:	4096
Number of IP:	16
Number of Useable Hosts:	14
in-addr.arpa format:	16.251.0.172.in-addr.arpa
Hostname:	172-0-251-16.lightspeed.rcsntx.sbcglobal.net
GEOIP Location:	US - United States
NAT64 Address:	64:FF9B::AC00:FB10
ISATAP Address:	FE80::0200:5EFE:AC00:FB10
mapped IPV4:	::ffff:AC00:FB10::/48
6to4:	2002:AC00:FB10::/48

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Subnet  Network             First Usable IP     Last Usable IP      Broadcast
0       172.0.251.0         172.0.251.1         172.0.251.14        172.0.251.15        
1       172.0.251.16        172.0.251.17        172.0.251.30        172.0.251.31        
2       172.0.251.32        172.0.251.33        172.0.251.46        172.0.251.47        
3       172.0.251.48        172.0.251.49        172.0.251.62        172.0.251.63        
4       172.0.251.64        172.0.251.65        172.0.251.78        172.0.251.79        
5       172.0.251.80        172.0.251.81        172.0.251.94        172.0.251.95        
6       172.0.251.96        172.0.251.97        172.0.251.110       172.0.251.111       
7       172.0.251.112       172.0.251.113       172.0.251.126       172.0.251.127       
8       172.0.251.128       172.0.251.129       172.0.251.142       172.0.251.143       
9       172.0.251.144       172.0.251.145       172.0.251.158       172.0.251.159       
10      172.0.251.160       172.0.251.161       172.0.251.174       172.0.251.175       
11      172.0.251.176       172.0.251.177       172.0.251.190       172.0.251.191       
12      172.0.251.192       172.0.251.193       172.0.251.206       172.0.251.207       
13      172.0.251.208       172.0.251.209       172.0.251.222       172.0.251.223       
14      172.0.251.224       172.0.251.225       172.0.251.238       172.0.251.239       
15      172.0.251.240       172.0.251.241       172.0.251.254       172.0.251.255       


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        CIDR Block          Network             Broadcast           Subnet Mask         No. IP's
        172.0.251.16/32     172.0.251.16     -  172.0.251.16        255.255.255.255     1              
        172.0.251.16/31     172.0.251.16     -  172.0.251.17        255.255.255.254     2              
        172.0.251.16/30     172.0.251.16     -  172.0.251.19        255.255.255.252     4              
        172.0.251.16/29     172.0.251.16     -  172.0.251.23        255.255.255.248     8              
        172.0.251.16/28     172.0.251.16     -  172.0.251.31        255.255.255.240     16             
        172.0.251.0/27      172.0.251.0      -  172.0.251.31        255.255.255.224     32             
        172.0.251.0/26      172.0.251.0      -  172.0.251.63        255.255.255.192     64             
        172.0.251.0/25      172.0.251.0      -  172.0.251.127       255.255.255.128     128            
        172.0.251.0/24      172.0.251.0      -  172.0.251.255       255.255.255.0       256            
        172.0.250.0/23      172.0.250.0      -  172.0.251.255       255.255.254.0       512            
        172.0.248.0/22      172.0.248.0      -  172.0.251.255       255.255.252.0       1024           
        172.0.248.0/21      172.0.248.0      -  172.0.255.255       255.255.248.0       2048           
        172.0.240.0/20      172.0.240.0      -  172.0.255.255       255.255.240.0       4096           
        172.0.224.0/19      172.0.224.0      -  172.0.255.255       255.255.224.0       8192           
        172.0.192.0/18      172.0.192.0      -  172.0.255.255       255.255.192.0       16384          
        172.0.128.0/17      172.0.128.0      -  172.0.255.255       255.255.128.0       32768          
        172.0.0.0/16        172.0.0.0        -  172.0.255.255       255.255.0.0         65536          
        172.0.0.0/15        172.0.0.0        -  172.1.255.255       255.254.0.0         131072         
        172.0.0.0/14        172.0.0.0        -  172.3.255.255       255.252.0.0         262144         
        172.0.0.0/13        172.0.0.0        -  172.7.255.255       255.248.0.0         524288         
        172.0.0.0/12        172.0.0.0        -  172.15.255.255      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