There’s more than one way to write an IP address (2019)
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Submission timeline
2007–2026One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.
First comments on top threads
HN comment order> Here’s another neat trick. You can overflow a digit. \n\n [...] PING 10.0.513 (10.0.2.1) That's not exactly what's happening. You're omitting the fourth octet so this is then interpreted as a decimal part of the address (you can also have it be interpreted as hex or octal with the usual prefixes). 10.0.0.513 won't work because overflow isn't really what's happening. (For a minute you had me wondering if I missed something in my IP address variants tool because I…
The different notations tripped us up big time a while ago at my company. A class of our devices used to get their machine name set from the serial number in the BIOS. On the older models these started with letters. Then we got a new model and the serial numbers on these were just long numbers. So far so good. After a while we noticed that a lot of them (around 30%) didn't work on the network. It took…
The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.
- Breakout years
- 2
- Total points
- 397
- Total comments
- 148
100+ points or 50+ comments
reference only — not used in Hall rules or ranking
reference only — not used in Hall rules or ranking
Every submission
| Date | Title as submitted | By | Points | Comments |
|---|---|---|---|---|
| 2019-07-09 | There’s more than one way to write an IP addressFirst breakout | Mojah | 140 | 48 |
| 2022-03-09 | There’s more than one way to write an IP address | _Microft | 1 | 0 |
| 2023-04-28 | There’s more than one way to write an IP address (2019)Best thread · Latest 20+ point return | KomoD | 256 | 100 |