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

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CCNA™

 IPv4 Subnet Calculator

v55.25e  


     
 
Decimal IP Address:3232243460( http://3232243460 )
IP Address:192.168.31.4/31( 0xC0A81F04 )
Subnet Mask:255.255.255.254( 0xFFFFFFFE )
Wildcard (Inverse) Mask:0.0.0.1( 0x00000001 )
Network Address:192.168.31.4( 0xC0A81F04 )
Broadcast Address:192.168.31.5( 0xC0A81F05 )
Binary IP Address:11000000.10101000.00011111.00000100
Binary Subnet Mask:11111111.11111111.11111111.11111110
AND
Binary Network Address:11000000.10101000.00011111.00000100
 
Binary Broadcast Address:11000000.10101000.00011111.00000101
Class of Address:C ( RFC1918 )
Number of Subnets:128
Number of IP:2
Number of Useable Hosts:0
in-addr.arpa format:4.31.168.192.in-addr.arpa
Hostname:Not Resolvable
GEOIP Location: -
 
NAT64 Address:64:FF9B::C0A8:1F04
ISATAP Address:FE80::0200:5EFE:C0A8:1F04
mapped IPV4:::ffff:C0A8:1F04::/48
6to4:2002:C0A8:1F04::/48
<Prev

Subnet Network First Usable IP Last Usable IP Broadcast 0 192.168.31.0 192.168.31.1 192.168.31.0 192.168.31.1 1 192.168.31.2 192.168.31.3 192.168.31.2 192.168.31.3 2 192.168.31.4 192.168.31.5 192.168.31.4 192.168.31.5 3 192.168.31.6 192.168.31.7 192.168.31.6 192.168.31.7 4 192.168.31.8 192.168.31.9 192.168.31.8 192.168.31.9 5 192.168.31.10 192.168.31.11 192.168.31.10 192.168.31.11 6 192.168.31.12 192.168.31.13 192.168.31.12 192.168.31.13 7 192.168.31.14 192.168.31.15 192.168.31.14 192.168.31.15 8 192.168.31.16 192.168.31.17 192.168.31.16 192.168.31.17 9 192.168.31.18 192.168.31.19 192.168.31.18 192.168.31.19 10 192.168.31.20 192.168.31.21 192.168.31.20 192.168.31.21 11 192.168.31.22 192.168.31.23 192.168.31.22 192.168.31.23 12 192.168.31.24 192.168.31.25 192.168.31.24 192.168.31.25 13 192.168.31.26 192.168.31.27 192.168.31.26 192.168.31.27 14 192.168.31.28 192.168.31.29 192.168.31.28 192.168.31.29 15 192.168.31.30 192.168.31.31 192.168.31.30 192.168.31.31 16 192.168.31.32 192.168.31.33 192.168.31.32 192.168.31.33 17 192.168.31.34 192.168.31.35 192.168.31.34 192.168.31.35 18 192.168.31.36 192.168.31.37 192.168.31.36 192.168.31.37 19 192.168.31.38 192.168.31.39 192.168.31.38 192.168.31.39 20 192.168.31.40 192.168.31.41 192.168.31.40 192.168.31.41 21 192.168.31.42 192.168.31.43 192.168.31.42 192.168.31.43 22 192.168.31.44 192.168.31.45 192.168.31.44 192.168.31.45 23 192.168.31.46 192.168.31.47 192.168.31.46 192.168.31.47 24 192.168.31.48 192.168.31.49 192.168.31.48 192.168.31.49 25 192.168.31.50 192.168.31.51 192.168.31.50 192.168.31.51 26 192.168.31.52 192.168.31.53 192.168.31.52 192.168.31.53 27 192.168.31.54 192.168.31.55 192.168.31.54 192.168.31.55 28 192.168.31.56 192.168.31.57 192.168.31.56 192.168.31.57 29 192.168.31.58 192.168.31.59 192.168.31.58 192.168.31.59 30 192.168.31.60 192.168.31.61 192.168.31.60 192.168.31.61 31 192.168.31.62 192.168.31.63 192.168.31.62 192.168.31.63 32 192.168.31.64 192.168.31.65 192.168.31.64 192.168.31.65 33 192.168.31.66 192.168.31.67 192.168.31.66 192.168.31.67 34 192.168.31.68 192.168.31.69 192.168.31.68 192.168.31.69 35 192.168.31.70 192.168.31.71 192.168.31.70 192.168.31.71 36 192.168.31.72 192.168.31.73 192.168.31.72 192.168.31.73 37 192.168.31.74 192.168.31.75 192.168.31.74 192.168.31.75 38 192.168.31.76 192.168.31.77 192.168.31.76 192.168.31.77 39 192.168.31.78 192.168.31.79 192.168.31.78 192.168.31.79 40 192.168.31.80 192.168.31.81 192.168.31.80 192.168.31.81 41 192.168.31.82 192.168.31.83 192.168.31.82 192.168.31.83 42 192.168.31.84 192.168.31.85 192.168.31.84 192.168.31.85 43 192.168.31.86 192.168.31.87 192.168.31.86 192.168.31.87 44 192.168.31.88 192.168.31.89 192.168.31.88 192.168.31.89 45 192.168.31.90 192.168.31.91 192.168.31.90 192.168.31.91 46 192.168.31.92 192.168.31.93 192.168.31.92 192.168.31.93 47 192.168.31.94 192.168.31.95 192.168.31.94 192.168.31.95 48 192.168.31.96 192.168.31.97 192.168.31.96 192.168.31.97 49 192.168.31.98 192.168.31.99 192.168.31.98 192.168.31.99 50 192.168.31.100 192.168.31.101 192.168.31.100 192.168.31.101 51 192.168.31.102 192.168.31.103 192.168.31.102 192.168.31.103 52 192.168.31.104 192.168.31.105 192.168.31.104 192.168.31.105 53 192.168.31.106 192.168.31.107 192.168.31.106 192.168.31.107 54 192.168.31.108 192.168.31.109 192.168.31.108 192.168.31.109 55 192.168.31.110 192.168.31.111 192.168.31.110 192.168.31.111 56 192.168.31.112 192.168.31.113 192.168.31.112 192.168.31.113 57 192.168.31.114 192.168.31.115 192.168.31.114 192.168.31.115 58 192.168.31.116 192.168.31.117 192.168.31.116 192.168.31.117 59 192.168.31.118 192.168.31.119 192.168.31.118 192.168.31.119 60 192.168.31.120 192.168.31.121 192.168.31.120 192.168.31.121 61 192.168.31.122 192.168.31.123 192.168.31.122 192.168.31.123 62 192.168.31.124 192.168.31.125 192.168.31.124 192.168.31.125 63 192.168.31.126 192.168.31.127 192.168.31.126 192.168.31.127 64 192.168.31.128 192.168.31.129 192.168.31.128 192.168.31.129 65 192.168.31.130 192.168.31.131 192.168.31.130 192.168.31.131 66 192.168.31.132 192.168.31.133 192.168.31.132 192.168.31.133 67 192.168.31.134 192.168.31.135 192.168.31.134 192.168.31.135 68 192.168.31.136 192.168.31.137 192.168.31.136 192.168.31.137 69 192.168.31.138 192.168.31.139 192.168.31.138 192.168.31.139 70 192.168.31.140 192.168.31.141 192.168.31.140 192.168.31.141 71 192.168.31.142 192.168.31.143 192.168.31.142 192.168.31.143 72 192.168.31.144 192.168.31.145 192.168.31.144 192.168.31.145 73 192.168.31.146 192.168.31.147 192.168.31.146 192.168.31.147 74 192.168.31.148 192.168.31.149 192.168.31.148 192.168.31.149 75 192.168.31.150 192.168.31.151 192.168.31.150 192.168.31.151 76 192.168.31.152 192.168.31.153 192.168.31.152 192.168.31.153 77 192.168.31.154 192.168.31.155 192.168.31.154 192.168.31.155 78 192.168.31.156 192.168.31.157 192.168.31.156 192.168.31.157 79 192.168.31.158 192.168.31.159 192.168.31.158 192.168.31.159 80 192.168.31.160 192.168.31.161 192.168.31.160 192.168.31.161 81 192.168.31.162 192.168.31.163 192.168.31.162 192.168.31.163 82 192.168.31.164 192.168.31.165 192.168.31.164 192.168.31.165 83 192.168.31.166 192.168.31.167 192.168.31.166 192.168.31.167 84 192.168.31.168 192.168.31.169 192.168.31.168 192.168.31.169 85 192.168.31.170 192.168.31.171 192.168.31.170 192.168.31.171 86 192.168.31.172 192.168.31.173 192.168.31.172 192.168.31.173 87 192.168.31.174 192.168.31.175 192.168.31.174 192.168.31.175 88 192.168.31.176 192.168.31.177 192.168.31.176 192.168.31.177 89 192.168.31.178 192.168.31.179 192.168.31.178 192.168.31.179 90 192.168.31.180 192.168.31.181 192.168.31.180 192.168.31.181 91 192.168.31.182 192.168.31.183 192.168.31.182 192.168.31.183 92 192.168.31.184 192.168.31.185 192.168.31.184 192.168.31.185 93 192.168.31.186 192.168.31.187 192.168.31.186 192.168.31.187 94 192.168.31.188 192.168.31.189 192.168.31.188 192.168.31.189 95 192.168.31.190 192.168.31.191 192.168.31.190 192.168.31.191 96 192.168.31.192 192.168.31.193 192.168.31.192 192.168.31.193 97 192.168.31.194 192.168.31.195 192.168.31.194 192.168.31.195 98 192.168.31.196 192.168.31.197 192.168.31.196 192.168.31.197 99 192.168.31.198 192.168.31.199 192.168.31.198 192.168.31.199 100 192.168.31.200 192.168.31.201 192.168.31.200 192.168.31.201 101 192.168.31.202 192.168.31.203 192.168.31.202 192.168.31.203 102 192.168.31.204 192.168.31.205 192.168.31.204 192.168.31.205 103 192.168.31.206 192.168.31.207 192.168.31.206 192.168.31.207 104 192.168.31.208 192.168.31.209 192.168.31.208 192.168.31.209 105 192.168.31.210 192.168.31.211 192.168.31.210 192.168.31.211 106 192.168.31.212 192.168.31.213 192.168.31.212 192.168.31.213 107 192.168.31.214 192.168.31.215 192.168.31.214 192.168.31.215 108 192.168.31.216 192.168.31.217 192.168.31.216 192.168.31.217 109 192.168.31.218 192.168.31.219 192.168.31.218 192.168.31.219 110 192.168.31.220 192.168.31.221 192.168.31.220 192.168.31.221 111 192.168.31.222 192.168.31.223 192.168.31.222 192.168.31.223 112 192.168.31.224 192.168.31.225 192.168.31.224 192.168.31.225 113 192.168.31.226 192.168.31.227 192.168.31.226 192.168.31.227 114 192.168.31.228 192.168.31.229 192.168.31.228 192.168.31.229 115 192.168.31.230 192.168.31.231 192.168.31.230 192.168.31.231 116 192.168.31.232 192.168.31.233 192.168.31.232 192.168.31.233 117 192.168.31.234 192.168.31.235 192.168.31.234 192.168.31.235 118 192.168.31.236 192.168.31.237 192.168.31.236 192.168.31.237 119 192.168.31.238 192.168.31.239 192.168.31.238 192.168.31.239 120 192.168.31.240 192.168.31.241 192.168.31.240 192.168.31.241 121 192.168.31.242 192.168.31.243 192.168.31.242 192.168.31.243 122 192.168.31.244 192.168.31.245 192.168.31.244 192.168.31.245 123 192.168.31.246 192.168.31.247 192.168.31.246 192.168.31.247 124 192.168.31.248 192.168.31.249 192.168.31.248 192.168.31.249 125 192.168.31.250 192.168.31.251 192.168.31.250 192.168.31.251 126 192.168.31.252 192.168.31.253 192.168.31.252 192.168.31.253 127 192.168.31.254 192.168.31.255 192.168.31.254 192.168.31.255

Next> CIDR Block Network Broadcast Subnet Mask No. IP's 192.168.31.4/32 192.168.31.4 - 192.168.31.4 255.255.255.255 1 192.168.31.4/31 192.168.31.4 - 192.168.31.5 255.255.255.254 2 192.168.31.4/30 192.168.31.4 - 192.168.31.7 255.255.255.252 4 192.168.31.0/29 192.168.31.0 - 192.168.31.7 255.255.255.248 8 192.168.31.0/28 192.168.31.0 - 192.168.31.15 255.255.255.240 16 192.168.31.0/27 192.168.31.0 - 192.168.31.31 255.255.255.224 32 192.168.31.0/26 192.168.31.0 - 192.168.31.63 255.255.255.192 64 192.168.31.0/25 192.168.31.0 - 192.168.31.127 255.255.255.128 128 192.168.31.0/24 192.168.31.0 - 192.168.31.255 255.255.255.0 256 192.168.30.0/23 192.168.30.0 - 192.168.31.255 255.255.254.0 512 192.168.28.0/22 192.168.28.0 - 192.168.31.255 255.255.252.0 1024 192.168.24.0/21 192.168.24.0 - 192.168.31.255 255.255.248.0 2048 192.168.16.0/20 192.168.16.0 - 192.168.31.255 255.255.240.0 4096 192.168.0.0/19 192.168.0.0 - 192.168.31.255 255.255.224.0 8192 192.168.0.0/18 192.168.0.0 - 192.168.63.255 255.255.192.0 16384 192.168.0.0/17 192.168.0.0 - 192.168.127.255 255.255.128.0 32768 192.168.0.0/16 192.168.0.0 - 192.168.255.255 255.255.0.0 65536 192.168.0.0/15 192.168.0.0 - 192.169.255.255 255.254.0.0 131072 192.168.0.0/14 192.168.0.0 - 192.171.255.255 255.252.0.0 262144 192.168.0.0/13 192.168.0.0 - 192.175.255.255 255.248.0.0 524288 192.160.0.0/12 192.160.0.0 - 192.175.255.255 255.240.0.0 1048576 192.160.0.0/11 192.160.0.0 - 192.191.255.255 255.224.0.0 2097152 192.128.0.0/10 192.128.0.0 - 192.191.255.255 255.192.0.0 4194304 192.128.0.0/9 192.128.0.0 - 192.255.255.255 255.128.0.0 8388608 192.0.0.0/8 192.0.0.0 - 192.255.255.255 255.0.0.0 16777216 192.0.0.0/7 192.0.0.0 - 193.255.255.255 254.0.0.0 33554432 192.0.0.0/6 192.0.0.0 - 195.255.255.255 252.0.0.0 67108864 192.0.0.0/5 192.0.0.0 - 199.255.255.255 248.0.0.0 134217728 192.0.0.0/4 192.0.0.0 - 207.255.255.255 240.0.0.0 268435456 192.0.0.0/3 192.0.0.0 - 223.255.255.255 224.0.0.0 536870912 192.0.0.0/2 192.0.0.0 - 255.255.255.255 192.0.0.0 1073741824 128.0.0.0/1 128.0.0.0 - 255.255.255.255 128.0.0.0 2147483648




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