Internet Tip: Reserved IP addresses…

Internet Tips fans,

This is the 9th in a series of tips on how to do tricky things with URLs.

There are some reserved IP addresses. Here’s some detail of various ranges, plus some history and a (hopefully entertaining) story of a long painful lesson I learned:

(If you’ve been to the page recently, be sure to refresh your browser to see the latest version, dated 4/13/2021.)

Also, if you’re new to this mailing list, you may want to scroll back to the previous 8 tips on that page, starting with “URL Syntax”. They’ve already been mailed out, so you may have missed them.

— Fred



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