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

Decimal IP Address:	885723729	( http://885723729 )
IP Address:	52.203.18.81/30	( 0x34CB1251 )
Subnet Mask:	255.255.255.252	( 0xFFFFFFFC )
Wildcard (Inverse) Mask:	0.0.0.3	( 0x00000003 )
Network Address:	52.203.18.80	( 0x34CB1250 )
Broadcast Address:	52.203.18.83	( 0x34CB1253 )
Binary IP Address:	00110100.11001011.00010010.01010001
Binary Subnet Mask:	11111111.11111111.11111111.11111100
AND
Binary Network Address:	00110100.11001011.00010010.01010000
Binary Broadcast Address:	00110100.11001011.00010010.01010011
Class of Address:	A
Number of Subnets:	4194304
Number of IP:	4
Number of Useable Hosts:	2
in-addr.arpa format:	81.18.203.52.in-addr.arpa
Hostname:	ec2-52-203-18-81.compute-1.amazonaws.com
GEOIP Location:	US - United States
NAT64 Address:	64:FF9B::34CB:1251
ISATAP Address:	FE80::0200:5EFE:34CB:1251
mapped IPV4:	::ffff:34CB:1251::/48
6to4:	2002:34CB:1251::/48

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Subnet  Network             First Usable IP     Last Usable IP      Broadcast
0       52.203.18.0         52.203.18.1         52.203.18.2         52.203.18.3         
1       52.203.18.4         52.203.18.5         52.203.18.6         52.203.18.7         
2       52.203.18.8         52.203.18.9         52.203.18.10        52.203.18.11        
3       52.203.18.12        52.203.18.13        52.203.18.14        52.203.18.15        
4       52.203.18.16        52.203.18.17        52.203.18.18        52.203.18.19        
5       52.203.18.20        52.203.18.21        52.203.18.22        52.203.18.23        
6       52.203.18.24        52.203.18.25        52.203.18.26        52.203.18.27        
7       52.203.18.28        52.203.18.29        52.203.18.30        52.203.18.31        
8       52.203.18.32        52.203.18.33        52.203.18.34        52.203.18.35        
9       52.203.18.36        52.203.18.37        52.203.18.38        52.203.18.39        
10      52.203.18.40        52.203.18.41        52.203.18.42        52.203.18.43        
11      52.203.18.44        52.203.18.45        52.203.18.46        52.203.18.47        
12      52.203.18.48        52.203.18.49        52.203.18.50        52.203.18.51        
13      52.203.18.52        52.203.18.53        52.203.18.54        52.203.18.55        
14      52.203.18.56        52.203.18.57        52.203.18.58        52.203.18.59        
15      52.203.18.60        52.203.18.61        52.203.18.62        52.203.18.63        
16      52.203.18.64        52.203.18.65        52.203.18.66        52.203.18.67        
17      52.203.18.68        52.203.18.69        52.203.18.70        52.203.18.71        
18      52.203.18.72        52.203.18.73        52.203.18.74        52.203.18.75        
19      52.203.18.76        52.203.18.77        52.203.18.78        52.203.18.79        
20      52.203.18.80        52.203.18.81        52.203.18.82        52.203.18.83        
21      52.203.18.84        52.203.18.85        52.203.18.86        52.203.18.87        
22      52.203.18.88        52.203.18.89        52.203.18.90        52.203.18.91        
23      52.203.18.92        52.203.18.93        52.203.18.94        52.203.18.95        
24      52.203.18.96        52.203.18.97        52.203.18.98        52.203.18.99        
25      52.203.18.100       52.203.18.101       52.203.18.102       52.203.18.103       
26      52.203.18.104       52.203.18.105       52.203.18.106       52.203.18.107       
27      52.203.18.108       52.203.18.109       52.203.18.110       52.203.18.111       
28      52.203.18.112       52.203.18.113       52.203.18.114       52.203.18.115       
29      52.203.18.116       52.203.18.117       52.203.18.118       52.203.18.119       
30      52.203.18.120       52.203.18.121       52.203.18.122       52.203.18.123       
31      52.203.18.124       52.203.18.125       52.203.18.126       52.203.18.127       
32      52.203.18.128       52.203.18.129       52.203.18.130       52.203.18.131       
33      52.203.18.132       52.203.18.133       52.203.18.134       52.203.18.135       
34      52.203.18.136       52.203.18.137       52.203.18.138       52.203.18.139       
35      52.203.18.140       52.203.18.141       52.203.18.142       52.203.18.143       
36      52.203.18.144       52.203.18.145       52.203.18.146       52.203.18.147       
37      52.203.18.148       52.203.18.149       52.203.18.150       52.203.18.151       
38      52.203.18.152       52.203.18.153       52.203.18.154       52.203.18.155       
39      52.203.18.156       52.203.18.157       52.203.18.158       52.203.18.159       
40      52.203.18.160       52.203.18.161       52.203.18.162       52.203.18.163       
41      52.203.18.164       52.203.18.165       52.203.18.166       52.203.18.167       
42      52.203.18.168       52.203.18.169       52.203.18.170       52.203.18.171       
43      52.203.18.172       52.203.18.173       52.203.18.174       52.203.18.175       
44      52.203.18.176       52.203.18.177       52.203.18.178       52.203.18.179       
45      52.203.18.180       52.203.18.181       52.203.18.182       52.203.18.183       
46      52.203.18.184       52.203.18.185       52.203.18.186       52.203.18.187       
47      52.203.18.188       52.203.18.189       52.203.18.190       52.203.18.191       
48      52.203.18.192       52.203.18.193       52.203.18.194       52.203.18.195       
49      52.203.18.196       52.203.18.197       52.203.18.198       52.203.18.199       
50      52.203.18.200       52.203.18.201       52.203.18.202       52.203.18.203       
51      52.203.18.204       52.203.18.205       52.203.18.206       52.203.18.207       
52      52.203.18.208       52.203.18.209       52.203.18.210       52.203.18.211       
53      52.203.18.212       52.203.18.213       52.203.18.214       52.203.18.215       
54      52.203.18.216       52.203.18.217       52.203.18.218       52.203.18.219       
55      52.203.18.220       52.203.18.221       52.203.18.222       52.203.18.223       
56      52.203.18.224       52.203.18.225       52.203.18.226       52.203.18.227       
57      52.203.18.228       52.203.18.229       52.203.18.230       52.203.18.231       
58      52.203.18.232       52.203.18.233       52.203.18.234       52.203.18.235       
59      52.203.18.236       52.203.18.237       52.203.18.238       52.203.18.239       
60      52.203.18.240       52.203.18.241       52.203.18.242       52.203.18.243       
61      52.203.18.244       52.203.18.245       52.203.18.246       52.203.18.247       
62      52.203.18.248       52.203.18.249       52.203.18.250       52.203.18.251       
63      52.203.18.252       52.203.18.253       52.203.18.254       52.203.18.255       


Next>


        CIDR Block          Network             Broadcast           Subnet Mask         No. IP's
        52.203.18.81/32     52.203.18.81     -  52.203.18.81        255.255.255.255     1              
        52.203.18.80/31     52.203.18.80     -  52.203.18.81        255.255.255.254     2              
        52.203.18.80/30     52.203.18.80     -  52.203.18.83        255.255.255.252     4              
        52.203.18.80/29     52.203.18.80     -  52.203.18.87        255.255.255.248     8              
        52.203.18.80/28     52.203.18.80     -  52.203.18.95        255.255.255.240     16             
        52.203.18.64/27     52.203.18.64     -  52.203.18.95        255.255.255.224     32             
        52.203.18.64/26     52.203.18.64     -  52.203.18.127       255.255.255.192     64             
        52.203.18.0/25      52.203.18.0      -  52.203.18.127       255.255.255.128     128            
        52.203.18.0/24      52.203.18.0      -  52.203.18.255       255.255.255.0       256            
        52.203.18.0/23      52.203.18.0      -  52.203.19.255       255.255.254.0       512            
        52.203.16.0/22      52.203.16.0      -  52.203.19.255       255.255.252.0       1024           
        52.203.16.0/21      52.203.16.0      -  52.203.23.255       255.255.248.0       2048           
        52.203.16.0/20      52.203.16.0      -  52.203.31.255       255.255.240.0       4096           
        52.203.0.0/19       52.203.0.0       -  52.203.31.255       255.255.224.0       8192           
        52.203.0.0/18       52.203.0.0       -  52.203.63.255       255.255.192.0       16384          
        52.203.0.0/17       52.203.0.0       -  52.203.127.255      255.255.128.0       32768          
        52.203.0.0/16       52.203.0.0       -  52.203.255.255      255.255.0.0         65536          
        52.202.0.0/15       52.202.0.0       -  52.203.255.255      255.254.0.0         131072         
        52.200.0.0/14       52.200.0.0       -  52.203.255.255      255.252.0.0         262144         
        52.200.0.0/13       52.200.0.0       -  52.207.255.255      255.248.0.0         524288         
        52.192.0.0/12       52.192.0.0       -  52.207.255.255      255.240.0.0         1048576        
        52.192.0.0/11       52.192.0.0       -  52.223.255.255      255.224.0.0         2097152        
        52.192.0.0/10       52.192.0.0       -  52.255.255.255      255.192.0.0         4194304        
        52.128.0.0/9        52.128.0.0       -  52.255.255.255      255.128.0.0         8388608        
        52.0.0.0/8          52.0.0.0         -  52.255.255.255      255.0.0.0           16777216       
        52.0.0.0/7          52.0.0.0         -  53.255.255.255      254.0.0.0           33554432       
        52.0.0.0/6          52.0.0.0         -  55.255.255.255      252.0.0.0           67108864       
        48.0.0.0/5          48.0.0.0         -  55.255.255.255      248.0.0.0           134217728      
        48.0.0.0/4          48.0.0.0         -  63.255.255.255      240.0.0.0           268435456      
        32.0.0.0/3          32.0.0.0         -  63.255.255.255      224.0.0.0           536870912      
        0.0.0.0/2           0.0.0.0          -  63.255.255.255      192.0.0.0           1073741824     
        0.0.0.0/1           0.0.0.0          -  127.255.255.255     128.0.0.0           2147483648