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

Decimal IP Address:	1123631378	( http://1123631378 )
IP Address:	66.249.65.18/28	( 0x42F94112 )
Subnet Mask:	255.255.255.240	( 0xFFFFFFF0 )
Wildcard (Inverse) Mask:	0.0.0.15	( 0x0000000F )
Network Address:	66.249.65.16	( 0x42F94110 )
Broadcast Address:	66.249.65.31	( 0x42F9411F )
Binary IP Address:	01000010.11111001.01000001.00010010
Binary Subnet Mask:	11111111.11111111.11111111.11110000
AND
Binary Network Address:	01000010.11111001.01000001.00010000
Binary Broadcast Address:	01000010.11111001.01000001.00011111
Class of Address:	A
Number of Subnets:	1048576
Number of IP:	16
Number of Useable Hosts:	14
in-addr.arpa format:	18.65.249.66.in-addr.arpa
Hostname:	crawl-66-249-65-18.googlebot.com
GEOIP Location:	US - United States
NAT64 Address:	64:FF9B::42F9:4112
ISATAP Address:	FE80::0200:5EFE:42F9:4112
mapped IPV4:	::ffff:42F9:4112::/48
6to4:	2002:42F9:4112::/48

<Prev


Subnet  Network             First Usable IP     Last Usable IP      Broadcast
0       66.249.65.0         66.249.65.1         66.249.65.14        66.249.65.15        
1       66.249.65.16        66.249.65.17        66.249.65.30        66.249.65.31        
2       66.249.65.32        66.249.65.33        66.249.65.46        66.249.65.47        
3       66.249.65.48        66.249.65.49        66.249.65.62        66.249.65.63        
4       66.249.65.64        66.249.65.65        66.249.65.78        66.249.65.79        
5       66.249.65.80        66.249.65.81        66.249.65.94        66.249.65.95        
6       66.249.65.96        66.249.65.97        66.249.65.110       66.249.65.111       
7       66.249.65.112       66.249.65.113       66.249.65.126       66.249.65.127       
8       66.249.65.128       66.249.65.129       66.249.65.142       66.249.65.143       
9       66.249.65.144       66.249.65.145       66.249.65.158       66.249.65.159       
10      66.249.65.160       66.249.65.161       66.249.65.174       66.249.65.175       
11      66.249.65.176       66.249.65.177       66.249.65.190       66.249.65.191       
12      66.249.65.192       66.249.65.193       66.249.65.206       66.249.65.207       
13      66.249.65.208       66.249.65.209       66.249.65.222       66.249.65.223       
14      66.249.65.224       66.249.65.225       66.249.65.238       66.249.65.239       
15      66.249.65.240       66.249.65.241       66.249.65.254       66.249.65.255       


Next>


        CIDR Block          Network             Broadcast           Subnet Mask         No. IP's
        66.249.65.18/32     66.249.65.18     -  66.249.65.18        255.255.255.255     1              
        66.249.65.18/31     66.249.65.18     -  66.249.65.19        255.255.255.254     2              
        66.249.65.16/30     66.249.65.16     -  66.249.65.19        255.255.255.252     4              
        66.249.65.16/29     66.249.65.16     -  66.249.65.23        255.255.255.248     8              
        66.249.65.16/28     66.249.65.16     -  66.249.65.31        255.255.255.240     16             
        66.249.65.0/27      66.249.65.0      -  66.249.65.31        255.255.255.224     32             
        66.249.65.0/26      66.249.65.0      -  66.249.65.63        255.255.255.192     64             
        66.249.65.0/25      66.249.65.0      -  66.249.65.127       255.255.255.128     128            
        66.249.65.0/24      66.249.65.0      -  66.249.65.255       255.255.255.0       256            
        66.249.64.0/23      66.249.64.0      -  66.249.65.255       255.255.254.0       512            
        66.249.64.0/22      66.249.64.0      -  66.249.67.255       255.255.252.0       1024           
        66.249.64.0/21      66.249.64.0      -  66.249.71.255       255.255.248.0       2048           
        66.249.64.0/20      66.249.64.0      -  66.249.79.255       255.255.240.0       4096           
        66.249.64.0/19      66.249.64.0      -  66.249.95.255       255.255.224.0       8192           
        66.249.64.0/18      66.249.64.0      -  66.249.127.255      255.255.192.0       16384          
        66.249.0.0/17       66.249.0.0       -  66.249.127.255      255.255.128.0       32768          
        66.249.0.0/16       66.249.0.0       -  66.249.255.255      255.255.0.0         65536          
        66.248.0.0/15       66.248.0.0       -  66.249.255.255      255.254.0.0         131072         
        66.248.0.0/14       66.248.0.0       -  66.251.255.255      255.252.0.0         262144         
        66.248.0.0/13       66.248.0.0       -  66.255.255.255      255.248.0.0         524288         
        66.240.0.0/12       66.240.0.0       -  66.255.255.255      255.240.0.0         1048576        
        66.224.0.0/11       66.224.0.0       -  66.255.255.255      255.224.0.0         2097152        
        66.192.0.0/10       66.192.0.0       -  66.255.255.255      255.192.0.0         4194304        
        66.128.0.0/9        66.128.0.0       -  66.255.255.255      255.128.0.0         8388608        
        66.0.0.0/8          66.0.0.0         -  66.255.255.255      255.0.0.0           16777216       
        66.0.0.0/7          66.0.0.0         -  67.255.255.255      254.0.0.0           33554432       
        64.0.0.0/6          64.0.0.0         -  67.255.255.255      252.0.0.0           67108864       
        64.0.0.0/5          64.0.0.0         -  71.255.255.255      248.0.0.0           134217728      
        64.0.0.0/4          64.0.0.0         -  79.255.255.255      240.0.0.0           268435456      
        64.0.0.0/3          64.0.0.0         -  95.255.255.255      224.0.0.0           536870912      
        64.0.0.0/2          64.0.0.0         -  127.255.255.255     192.0.0.0           1073741824     
        0.0.0.0/1           0.0.0.0          -  127.255.255.255     128.0.0.0           2147483648