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What are Public IP Addresses Ranges?

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What are the ranges of Public IP Addresses that Can be used? I want to know the range of all possible IP Addresses that can be used as Public Addresses (Can be assigned by user).

There are some IP ranges that are reserved, and some of them are marked as Private address only. But what are possible Public IP Addresses?
asked Mar 7, 2016 by anonymous

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Best answer

Public IP Address Ranges includes all IP Addresses except the list that excluded for special use such as Private IP Address and other types.

The following List contains most possible Public IP address, but its better to exclude private and special IP addresses from IP Address Classes (Class A, Class B, Class C), Class D and Class E are also reserved for special use.

Public IP Address Ranges

IP Address From

To

1.0.0.09.255.255.255
11.x.x.x126.255.255.255
129.0.0.0169.253.255.255
169.255.0.0172.15.255.255
172.32.0.0191.0.1.255
192.0.3.0192.88.98.255
192.88.100.0192.167.255.255
192.169.0.0198.17.255.255
198.20.0.0223.255.255.255

Please check this link: IP Adress CLass Finder also to find IP address class based on user input.

IP Classes Ranges Table

Classes

IP Ranges

Description

Class A1.0.0.1 to 127.255.255.254Supports 16 million hosts on each of 127 networks.
Class B128.1.0.1 to 191.255.255.254Supports 65000 hosts on each of 16000 networks.
Class C192.0.1.1 to 223.255.254.254Supports 254 hosts on each of 2 million networks.
Class D224.0.0.0 to 239.255.255.255Reserved for multicast groups.
Class E240.0.0.0 to 254.255.255.254Reserved for future use Or Research and Development.

 Private IP Addresses Range

IP/CDIR

Subnet mask

Range

Scope

Description

0.0.0.0/8255.0.0.00.0.0.0 - 0.255.255.255private network"This" Network (RFC 1122, Section 3.2.1.3)
10.0.0.0/8255.0.0.010.0.0.0 - 10.255.255.255private networkPrivate-Use Networks (RFC 1918)
100.64.0.0/10255.192.0.0100.64.0.0 - 100.127.255.255private networkPrivate network (RFC 6598)
127.0.0.0/8255.0.0.0127.0.0.0 - 127.255.255.255hostLoopback (RFC 1122, Section 3.2.1.3)
169.254.0.0/16255.255.0.0169.254.0.0 - 169.254.255.255subnetLink Local (RFC 3927)
172.16.0.0/12255.240.0.0172.16.0.0 - 172.31.255.255private networkPrivate-Use Networks (RFC 1918)
192.0.0.0/24255.255.255.0192.0.0.0 - 192.0.0.255private networkIETF Protocol Assignments (RFC 5736)
192.0.2.0/24255.255.255.0192.0.2.0 - 192.0.2.255documentationTEST-NET-1 (RFC 5737)
192.88.99.0/24255.255.255.0192.88.99.0 - 192.88.99.255Internet6to4 Relay Anycast (RFC 3068)
192.168.0.0/16255.255.0.0192.168.0.0 - 192.168.255.255private networkPrivate-Use Networks (RFC 1918)
198.18.0.0/15255.254.0.0198.18.0.0 - 198.19.255.255private networkNetwork Interconnect Device Benchmark Testing (RFC 2544)
198.51.100.0/24255.255.255.0198.51.100.0 - 198.51.100.255documentationTEST-NET-2 (RFC 5737)
203.0.113.0/24255.255.255.0203.0.113.0 - 203.0.113.255documentationTEST-NET-3 (RFC 5737)
224.0.0.0/4240.0.0.0224.0.0.0 - 239.255.255.255InternetMulticast (RFC 3171)
240.0.0.0/4240.0.0.0240.0.0.0 - 255.255.255.254n/aReserved for Future Use (RFC 1112, Section 4)
255.255.255.255/32255.255.255.255255.255.255.255n/aLimited Broadcast (RFC 919, Section 7, RFC 922, Section 7)

IP/CDIR

Subnet mask

Range

Scope

Description

answered Mar 7, 2016 by anonymous
selected Mar 7, 2016 by learnipaddress
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