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

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CCNA™

 IPv4 Subnet Calculator

v55.25e  


     
 
Decimal IP Address:3628718144( http://3628718144 )
IP Address:216.73.216.64/28( 0xD849D840 )
Subnet Mask:255.255.255.240( 0xFFFFFFF0 )
Wildcard (Inverse) Mask:0.0.0.15( 0x0000000F )
Network Address:216.73.216.64( 0xD849D840 )
Broadcast Address:216.73.216.79( 0xD849D84F )
Binary IP Address:11011000.01001001.11011000.01000000
Binary Subnet Mask:11111111.11111111.11111111.11110000
AND
Binary Network Address:11011000.01001001.11011000.01000000
 
Binary Broadcast Address:11011000.01001001.11011000.01001111
Class of Address:C
Number of Subnets:16
Number of IP:16
Number of Useable Hosts:14
in-addr.arpa format:64.216.73.216.in-addr.arpa
Hostname:Not Resolvable
GEOIP Location:US - United States
 
NAT64 Address:64:FF9B::D849:D840
ISATAP Address:FE80::0200:5EFE:D849:D840
mapped IPV4:::ffff:D849:D840::/48
6to4:2002:D849:D840::/48
<Prev

Subnet Network First Usable IP Last Usable IP Broadcast 0 216.73.216.0 216.73.216.1 216.73.216.14 216.73.216.15 1 216.73.216.16 216.73.216.17 216.73.216.30 216.73.216.31 2 216.73.216.32 216.73.216.33 216.73.216.46 216.73.216.47 3 216.73.216.48 216.73.216.49 216.73.216.62 216.73.216.63 4 216.73.216.64 216.73.216.65 216.73.216.78 216.73.216.79 5 216.73.216.80 216.73.216.81 216.73.216.94 216.73.216.95 6 216.73.216.96 216.73.216.97 216.73.216.110 216.73.216.111 7 216.73.216.112 216.73.216.113 216.73.216.126 216.73.216.127 8 216.73.216.128 216.73.216.129 216.73.216.142 216.73.216.143 9 216.73.216.144 216.73.216.145 216.73.216.158 216.73.216.159 10 216.73.216.160 216.73.216.161 216.73.216.174 216.73.216.175 11 216.73.216.176 216.73.216.177 216.73.216.190 216.73.216.191 12 216.73.216.192 216.73.216.193 216.73.216.206 216.73.216.207 13 216.73.216.208 216.73.216.209 216.73.216.222 216.73.216.223 14 216.73.216.224 216.73.216.225 216.73.216.238 216.73.216.239 15 216.73.216.240 216.73.216.241 216.73.216.254 216.73.216.255

Next> CIDR Block Network Broadcast Subnet Mask No. IP's 216.73.216.64/32 216.73.216.64 - 216.73.216.64 255.255.255.255 1 216.73.216.64/31 216.73.216.64 - 216.73.216.65 255.255.255.254 2 216.73.216.64/30 216.73.216.64 - 216.73.216.67 255.255.255.252 4 216.73.216.64/29 216.73.216.64 - 216.73.216.71 255.255.255.248 8 216.73.216.64/28 216.73.216.64 - 216.73.216.79 255.255.255.240 16 216.73.216.64/27 216.73.216.64 - 216.73.216.95 255.255.255.224 32 216.73.216.64/26 216.73.216.64 - 216.73.216.127 255.255.255.192 64 216.73.216.0/25 216.73.216.0 - 216.73.216.127 255.255.255.128 128 216.73.216.0/24 216.73.216.0 - 216.73.216.255 255.255.255.0 256 216.73.216.0/23 216.73.216.0 - 216.73.217.255 255.255.254.0 512 216.73.216.0/22 216.73.216.0 - 216.73.219.255 255.255.252.0 1024 216.73.216.0/21 216.73.216.0 - 216.73.223.255 255.255.248.0 2048 216.73.208.0/20 216.73.208.0 - 216.73.223.255 255.255.240.0 4096 216.73.192.0/19 216.73.192.0 - 216.73.223.255 255.255.224.0 8192 216.73.192.0/18 216.73.192.0 - 216.73.255.255 255.255.192.0 16384 216.73.128.0/17 216.73.128.0 - 216.73.255.255 255.255.128.0 32768 216.73.0.0/16 216.73.0.0 - 216.73.255.255 255.255.0.0 65536 216.72.0.0/15 216.72.0.0 - 216.73.255.255 255.254.0.0 131072 216.72.0.0/14 216.72.0.0 - 216.75.255.255 255.252.0.0 262144 216.72.0.0/13 216.72.0.0 - 216.79.255.255 255.248.0.0 524288 216.64.0.0/12 216.64.0.0 - 216.79.255.255 255.240.0.0 1048576 216.64.0.0/11 216.64.0.0 - 216.95.255.255 255.224.0.0 2097152 216.64.0.0/10 216.64.0.0 - 216.127.255.255 255.192.0.0 4194304 216.0.0.0/9 216.0.0.0 - 216.127.255.255 255.128.0.0 8388608 216.0.0.0/8 216.0.0.0 - 216.255.255.255 255.0.0.0 16777216 216.0.0.0/7 216.0.0.0 - 217.255.255.255 254.0.0.0 33554432 216.0.0.0/6 216.0.0.0 - 219.255.255.255 252.0.0.0 67108864 216.0.0.0/5 216.0.0.0 - 223.255.255.255 248.0.0.0 134217728 208.0.0.0/4 208.0.0.0 - 223.255.255.255 240.0.0.0 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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