Using the IPv6 Test Tool
Who should use this tool?
IT professionals who are planning for their IPv6 deployment can use the IPv6 check tool to pre-check iPv6 addresses and confirm that their format is valid.
How should my IPv6 address be formatted?
IETF publication RFC 5592 "A Recommendation for IPv6 Address Text Representation" describes a preferred text representation for an IPv6 address. These rules make the address lower-case, trim leading zeroes, shorten runs of zero segments (e.g. :0000:) as much as possible but not a single segment, and place the compressed zeros as far to the left as possible. The best representation is also shown above.
Because of the complexity of the IPv6 address format, this test tool can help you avoid a permutation of the correct structure.
How does the IPv6 check tool work?
This tool confirms that an IPv6 address is valid and properly formatted by testing the address according to an elaborate regular expression (RE or regex). Using Javascript, the tool pulls IPv6 addresses out of inputted information and presents it in the "best text representation" according to IETF publication RFC 4291 "IP Version 6 Addressing Architecture."
Learn more about the regex for IPv6 addresses in this forum post in the Fortra Community portal.
IPv6 Test Cases
This Perl test script has over 200 test cases of valid and invalid IPv6 addresses. You can use them to test your own implementation. In addition, it has pointers to several other regular expressions that can be used for IPv6.
How to check for a valid IPv6 address:
Enter the IPv6 address below, and press Tab. The result below will indicate whether it's a properly formatted and valid IPv6 address.
Learn More About IPv6
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IPv6 Basics: What is my IPv6 address, why do we have to transition, and why now? Gain insight from IPv6 expert Jeff Harrington, who also gave us an overview of IPv6 in this free webinar.
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Most organizations haven't made the transition from IPv4 to IPv6: According to our annual survey, only 10 percent of IT professionals reported having transitioned to IPv6, with 34 percent unsure of when they'll transition.
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Why it's never too soon to start preparing your network for IPv6: Before you migrate, preparation is key, according to EMA analyst Shamus McGillicuddy.
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