• Register

What are IP Address Class Ranges?

1 like 0 dislike
102 views
Can you please explain IP Address Classes in Tabulated format? I want to know range of each class with CIDR, Subnet Mask and other detail.
asked Mar 7, 2016 by anonymous

1 Answer

1 like 0 dislike
 
Best answer

 IP Address Classe Ranges (Class A, Class B, Class C, Class D, and Class E)

Table 1: IP Address Class Ranges

ClassStart addressEnd addressCIDRDefault Subnet MaskFirst Octet Binary RangeFirst Octet Decimal RangeNetwork / Host
Class A0.0.0.0127.255.255.255/8255.0.0.00000 0000 - 0111 1111000 - 127N.H.H.H
Class B128.0.0.0191.255.255.255/16255.255.0.01000 0000 - 1011 1111128 - 191N.N.H.H
Class C192.0.0.0223.255.255.255/24255.255.255.01100 0000 - 1101 1111192 - 223N.N.N.H
Class D (multicast)224.0.0.0239.255.255.255/4Not defined1110 0000 - 1110 1111224 - 239NA
Class E (reserved)240.0.0.0255.255.255.255/4Not defined1111 0000 - 1111 0111240 - 247NA

Table 2: IP Address Class (Number of Hosts and Networks)

ClassNetwork BitsHosts BitsNumber of NetworksAddresses per NetworkTotal Address
Class A824128 (2^7)16,777,216 (2^24)2,147,483,648 (2^31)
Class B161616,384 (2^14)65,536 (2^16)1,073,741,824 (2^30)
Class C2482,097,152 (2^21)256 (2^8)536,870,912 (2^29)
Class D (multicast)NANANANA268,435,456 (2^28)
Class E (reserved)NANANANA268,435,456 (2^28)

IP Address Class Binary representation

Class A
  0.  0.  0.  0 = 00000000.00000000.00000000.00000000
127.255.255.255 = 01111111.11111111.11111111.11111111
                  0nnnnnnn.HHHHHHHH.HHHHHHHH.HHHHHHHH

Class B
128.  0.  0.  0 = 10000000.00000000.00000000.00000000
191.255.255.255 = 10111111.11111111.11111111.11111111
                  10nnnnnn.nnnnnnnn.HHHHHHHH.HHHHHHHH

Class C
192.  0.  0.  0 = 11000000.00000000.00000000.00000000
223.255.255.255 = 11011111.11111111.11111111.11111111
                  110nnnnn.nnnnnnnn.nnnnnnnn.HHHHHHHH

Class D
224.  0.  0.  0 = 11100000.00000000.00000000.00000000
239.255.255.255 = 11101111.11111111.11111111.11111111
                  1110XXXX.XXXXXXXX.XXXXXXXX.XXXXXXXX

Class E
240.  0.  0.  0 = 11110000.00000000.00000000.00000000
255.255.255.255 = 11111111.11111111.11111111.11111111
                  1111XXXX.XXXXXXXX.XXXXXXXX.XXXXXXXX

answered Mar 7, 2016 by anonymous
selected Mar 7, 2016 by learnipaddress
Please check our IP Tools - This Project sponsored by STANDING Tech Company
...