IPv6 to IPv4 Subnet calculator online

IPv6/IPv4 converter

This calculator slash converter can assist in the conversion of IPv4 type IP numbers to IPv6 notation.

IP subnet calculator IPv4 & IPng (IPv6)
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IPv4 class A class B class C Multicast
IPv6 reserved loopback internet first addresses internet new official
IPv6 internet routing IPv6 to IPV4 multicast Link-local unicast

IPv6 Site-local unicast local IPv4 to IPv6 6bone (for backbone research)

IPv6 vs IPv4 Comparison

This table gives a breif look at the major differences between IPv6 and IPv4.
The IPv4 vs IPv6 Comparison:

IPv4 IPv6
RFC Published 1981 1999
Address Format 32 Bits Dotted Decimal Notation. 128 Bits Hexadecimal Notation.
Number of Addresses 232 2128
Subnetting Subnet identified by subnet mask. Subnet identified within the address.
Routing Protocols RIP, RIPv2, EIGRP RIP, RIPv2, EIGRP
Classfull / Classless Classful and Classless. Classless Addressing Scheme.
Address Configuration Static, DHCP Stateless Autoconfiguration, DHCP v6.
Loopback Address 127.0.0.1 ::1
Link-local address 169.254.0.0/16 fe80::/10
Broadcast Address Types Multicast / Broadcast Anycast
Header Length 20 bytes 40 bytes

What is IPv6?

Internet Protocol version 6 (IPv6) is a version of the Internet Protocol (IP) that is designed to replace Internet Protocol version 4 (IPv4).
The Internet operates by transferring data in small packets that are routed across networks as specified by an international communications protocol known as the Internet Protocol.
Each data packet contains two numeric addresses that are the packet’s origin/destination devices. Since 1981, IPv4 has been used version of the Internet Protocol, and it is currently the foundation for most Internet connections.
The Internet’s growth has created a need for more addresses than IPv4 can offer.
IPv6 allows approximately 340 undecillion addresses, but switching from IPv4 to IPv6 may be a difficult process.

12 thoughts on “IPv6 to IPv4 Subnet calculator online”

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  7. Google Public DNS IPv6 from IPv4:
    8.8.8.8 2002:0:0:0:0:0:808:808
    8.8.4.4 2002:0:0:0:0:0:808:404

    IPv6:
    2001:4860:4860::8888
    2001:4860:4860::8844

    Reply

  8. If you don’t need IPv6 on your system, you can change default TCP/IP protocol from IPv6 to IPv4 win Windows. Run the following command:

    %windir%\system32\REG.EXE ADD HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters /v DisabledComponents /t REG_DWORD /d 0x20 /f

    Reply

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