MYIP-address.com
What Is My IP Address?

IP calculator - calculate/convert IP address (IPv4 / IPv6)

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Internet Protocol Address:
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IP address (classic):
192.168.0.1/255.255.255.0
IP address (integer):
3232235521
IP address (cisco):
192.168.0.1/24
IP value (binary):
11000000.10101000.00000000.00000001
Netmask (binary):
11111111.11111111.11111111.00000000
Network:
192.168.0.0/24
Network Class:
C
Total avail. IP:
256
Network address:
192.168.0.0
Broadcast address:
192.168.0.255

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Reserved IP classes

127.0.0.0/8 Loopback (the entire class A beginning with 127.)
10.0.0.0/8  Private  (the entire class A beginning with 10.)
172.16.0.0/12 Private (16 contiguos Class B, from 172.16.0.0/16 through 172.31.0.0/16)
192.168.0.0/16  Private (256 contiguos Class C, from 192.168.0.0/24 through 192.168.255.0/24)

Overview of common subnets and masks

Netmask              Netmask (binary)                 CIDR     Notes
255.255.255.255  11111111.11111111.11111111.11111111  /32  Host (single addr)
255.255.255.254  11111111.11111111.11111111.11111110  /31    2  usable (RFC 3021)
255.255.255.252  11111111.11111111.11111111.11111100  /30    2  usable
255.255.255.248  11111111.11111111.11111111.11111000  /29    6  usable
255.255.255.240  11111111.11111111.11111111.11110000  /28   14  usable
255.255.255.224  11111111.11111111.11111111.11100000  /27   30  usable
255.255.255.192  11111111.11111111.11111111.11000000  /26   62  usable
255.255.255.128  11111111.11111111.11111111.10000000  /25  126  usable
255.255.255.0    11111111.11111111.11111111.00000000  /24  254  usable
255.255.254.0    11111111.11111111.11111110.00000000  /23    2  Class C's + 2
255.255.252.0    11111111.11111111.11111100.00000000  /22    4  Class C's + 6
255.255.248.0    11111111.11111111.11111000.00000000  /21    8  Class C's + 14
255.255.240.0    11111111.11111111.11110000.00000000  /20   16  Class C's + 30
255.255.224.0    11111111.11111111.11100000.00000000  /19   32  Class C's + 62
255.255.192.0    11111111.11111111.11000000.00000000  /18   64  Class C's + 126
255.255.128.0    11111111.11111111.10000000.00000000  /17  128  Class C's + 254 / 129 
255.255.0.0      11111111.11111111.00000000.00000000  /16  
255.254.0.0      11111111.11111110.00000000.00000000  /15    2  Class B's
255.252.0.0      11111111.11111100.00000000.00000000  /14    4  Class B's
255.248.0.0      11111111.11111000.00000000.00000000  /13    8  Class B's
255.240.0.0      11111111.11110000.00000000.00000000  /12   16  Class B's
255.224.0.0      11111111.11100000.00000000.00000000  /11   32  Class B's
255.192.0.0      11111111.11000000.00000000.00000000  /10   64  Class B's
255.128.0.0      11111111.10000000.00000000.00000000  /9   128  Class B's
255.0.0.0        11111111.00000000.00000000.00000000  /8   
254.0.0.0        11111110.00000000.00000000.00000000  /7
252.0.0.0        11111100.00000000.00000000.00000000  /6
248.0.0.0        11111000.00000000.00000000.00000000  /5
240.0.0.0        11110000.00000000.00000000.00000000  /4   
224.0.0.0        11100000.00000000.00000000.00000000  /3
192.0.0.0        11000000.00000000.00000000.00000000  /2
128.0.0.0        10000000.00000000.00000000.00000000  /1
0.0.0.0          00000000.00000000.00000000.00000000  /0   IP space

IP Multicast address ranges

All multicast addresses can easily be recognized because they start with the bit pattern "1110".
224.0.0.0 - 224.0.0.255 Well-known multicast addresses, control channels 
224.0.1.0 - 238.255.255.255 Globally-scoped (Internet-wide) multicast addresses 
239.0.0.0 - 239.255.255.255 Local multicast addresses 

IP address calculator

Determine details about the online resource by using:
  • Convert <-> integer
  • Convert <-> binary
  • Range <-> CIDR
  • And many other ip tools
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