Last Updated:
Wednesday, 8 June 2022 By: Steve Warner

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CCNA™

 IPv4 Subnet Calculator

v88.20e  


     
 
Decimal IP Address:1124010220( http://1124010220 )
IP Address:66.255.8.236/30( 0x42FF08EC )
Subnet Mask:255.255.255.252( 0xFFFFFFFC )
Wildcard (Inverse) Mask:0.0.0.3( 0x00000003 )
Network Address:66.255.8.236( 0x42FF08EC )
Broadcast Address:66.255.8.239( 0x42FF08EF )
Binary IP Address:01000010.11111111.00001000.11101100
Binary Subnet Mask:11111111.11111111.11111111.11111100
AND
Binary Network Address:01000010.11111111.00001000.11101100
 
Binary Broadcast Address:01000010.11111111.00001000.11101111
Class of Address:A
Number of Subnets:4194304
Number of IP:4
Number of Useable Hosts:2
in-addr.arpa format:236.8.255.66.in-addr.arpa
Hostname:Not Resolvable
GEOIP Location:US - United States
 
NAT64 Address:64:FF9B::42FF:08EC
ISATAP Address:FE80::0200:5EFE:42FF:08EC
mapped IPV4:::ffff:42FF:08EC::/48
6to4:2002:42FF:08EC::/48
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Subnet Network First Usable IP Last Usable IP Broadcast 0 66.255.8.0 66.255.8.1 66.255.8.2 66.255.8.3 1 66.255.8.4 66.255.8.5 66.255.8.6 66.255.8.7 2 66.255.8.8 66.255.8.9 66.255.8.10 66.255.8.11 3 66.255.8.12 66.255.8.13 66.255.8.14 66.255.8.15 4 66.255.8.16 66.255.8.17 66.255.8.18 66.255.8.19 5 66.255.8.20 66.255.8.21 66.255.8.22 66.255.8.23 6 66.255.8.24 66.255.8.25 66.255.8.26 66.255.8.27 7 66.255.8.28 66.255.8.29 66.255.8.30 66.255.8.31 8 66.255.8.32 66.255.8.33 66.255.8.34 66.255.8.35 9 66.255.8.36 66.255.8.37 66.255.8.38 66.255.8.39 10 66.255.8.40 66.255.8.41 66.255.8.42 66.255.8.43 11 66.255.8.44 66.255.8.45 66.255.8.46 66.255.8.47 12 66.255.8.48 66.255.8.49 66.255.8.50 66.255.8.51 13 66.255.8.52 66.255.8.53 66.255.8.54 66.255.8.55 14 66.255.8.56 66.255.8.57 66.255.8.58 66.255.8.59 15 66.255.8.60 66.255.8.61 66.255.8.62 66.255.8.63 16 66.255.8.64 66.255.8.65 66.255.8.66 66.255.8.67 17 66.255.8.68 66.255.8.69 66.255.8.70 66.255.8.71 18 66.255.8.72 66.255.8.73 66.255.8.74 66.255.8.75 19 66.255.8.76 66.255.8.77 66.255.8.78 66.255.8.79 20 66.255.8.80 66.255.8.81 66.255.8.82 66.255.8.83 21 66.255.8.84 66.255.8.85 66.255.8.86 66.255.8.87 22 66.255.8.88 66.255.8.89 66.255.8.90 66.255.8.91 23 66.255.8.92 66.255.8.93 66.255.8.94 66.255.8.95 24 66.255.8.96 66.255.8.97 66.255.8.98 66.255.8.99 25 66.255.8.100 66.255.8.101 66.255.8.102 66.255.8.103 26 66.255.8.104 66.255.8.105 66.255.8.106 66.255.8.107 27 66.255.8.108 66.255.8.109 66.255.8.110 66.255.8.111 28 66.255.8.112 66.255.8.113 66.255.8.114 66.255.8.115 29 66.255.8.116 66.255.8.117 66.255.8.118 66.255.8.119 30 66.255.8.120 66.255.8.121 66.255.8.122 66.255.8.123 31 66.255.8.124 66.255.8.125 66.255.8.126 66.255.8.127 32 66.255.8.128 66.255.8.129 66.255.8.130 66.255.8.131 33 66.255.8.132 66.255.8.133 66.255.8.134 66.255.8.135 34 66.255.8.136 66.255.8.137 66.255.8.138 66.255.8.139 35 66.255.8.140 66.255.8.141 66.255.8.142 66.255.8.143 36 66.255.8.144 66.255.8.145 66.255.8.146 66.255.8.147 37 66.255.8.148 66.255.8.149 66.255.8.150 66.255.8.151 38 66.255.8.152 66.255.8.153 66.255.8.154 66.255.8.155 39 66.255.8.156 66.255.8.157 66.255.8.158 66.255.8.159 40 66.255.8.160 66.255.8.161 66.255.8.162 66.255.8.163 41 66.255.8.164 66.255.8.165 66.255.8.166 66.255.8.167 42 66.255.8.168 66.255.8.169 66.255.8.170 66.255.8.171 43 66.255.8.172 66.255.8.173 66.255.8.174 66.255.8.175 44 66.255.8.176 66.255.8.177 66.255.8.178 66.255.8.179 45 66.255.8.180 66.255.8.181 66.255.8.182 66.255.8.183 46 66.255.8.184 66.255.8.185 66.255.8.186 66.255.8.187 47 66.255.8.188 66.255.8.189 66.255.8.190 66.255.8.191 48 66.255.8.192 66.255.8.193 66.255.8.194 66.255.8.195 49 66.255.8.196 66.255.8.197 66.255.8.198 66.255.8.199 50 66.255.8.200 66.255.8.201 66.255.8.202 66.255.8.203 51 66.255.8.204 66.255.8.205 66.255.8.206 66.255.8.207 52 66.255.8.208 66.255.8.209 66.255.8.210 66.255.8.211 53 66.255.8.212 66.255.8.213 66.255.8.214 66.255.8.215 54 66.255.8.216 66.255.8.217 66.255.8.218 66.255.8.219 55 66.255.8.220 66.255.8.221 66.255.8.222 66.255.8.223 56 66.255.8.224 66.255.8.225 66.255.8.226 66.255.8.227 57 66.255.8.228 66.255.8.229 66.255.8.230 66.255.8.231 58 66.255.8.232 66.255.8.233 66.255.8.234 66.255.8.235 59 66.255.8.236 66.255.8.237 66.255.8.238 66.255.8.239 60 66.255.8.240 66.255.8.241 66.255.8.242 66.255.8.243 61 66.255.8.244 66.255.8.245 66.255.8.246 66.255.8.247 62 66.255.8.248 66.255.8.249 66.255.8.250 66.255.8.251 63 66.255.8.252 66.255.8.253 66.255.8.254 66.255.8.255

Next> CIDR Block Network Broadcast Subnet Mask No. IP's 66.255.8.236/32 66.255.8.236 - 66.255.8.236 255.255.255.255 1 66.255.8.236/31 66.255.8.236 - 66.255.8.237 255.255.255.254 2 66.255.8.236/30 66.255.8.236 - 66.255.8.239 255.255.255.252 4 66.255.8.232/29 66.255.8.232 - 66.255.8.239 255.255.255.248 8 66.255.8.224/28 66.255.8.224 - 66.255.8.239 255.255.255.240 16 66.255.8.224/27 66.255.8.224 - 66.255.8.255 255.255.255.224 32 66.255.8.192/26 66.255.8.192 - 66.255.8.255 255.255.255.192 64 66.255.8.128/25 66.255.8.128 - 66.255.8.255 255.255.255.128 128 66.255.8.0/24 66.255.8.0 - 66.255.8.255 255.255.255.0 256 66.255.8.0/23 66.255.8.0 - 66.255.9.255 255.255.254.0 512 66.255.8.0/22 66.255.8.0 - 66.255.11.255 255.255.252.0 1024 66.255.8.0/21 66.255.8.0 - 66.255.15.255 255.255.248.0 2048 66.255.0.0/20 66.255.0.0 - 66.255.15.255 255.255.240.0 4096 66.255.0.0/19 66.255.0.0 - 66.255.31.255 255.255.224.0 8192 66.255.0.0/18 66.255.0.0 - 66.255.63.255 255.255.192.0 16384 66.255.0.0/17 66.255.0.0 - 66.255.127.255 255.255.128.0 32768 66.255.0.0/16 66.255.0.0 - 66.255.255.255 255.255.0.0 65536 66.254.0.0/15 66.254.0.0 - 66.255.255.255 255.254.0.0 131072 66.252.0.0/14 66.252.0.0 - 66.255.255.255 255.252.0.0 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




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