Why “subnet” is being discussed
The most recent Hacker News stories and comments contributing to this topic's mentions.
For one, I have strict iptable rules to drop inbound from outside my specific commercial subnet and my specific residential IP. After that, all the usual best practices.
by ijustlovemath · Oct 30, 2026
It's definitely a slight learning curve (a few days at most for basic understanding and troubleshooting). I can't speak to complexities like routing protocol configurations. But…
by unethical_ban · Oct 30, 2026
My OS vendor didn't set up my firewall rules, lay out my subnets, or configure my routing. I did that. Twice. Because I've got a slightly more advanced network layout than your…
by spauldo · Oct 30, 2026
> Yes it's 3A. They didn't need to make the new protocol have separate state from the old one. Except there will be a period of time when many 'network elements' (routers, firew…
by throw0101a · Oct 30, 2026
I can totally understand why. IP addresses are hard to get for a large chunk of the global population. There's twice as many people as there are IP addresses. Plus dual-stack me…
by spauldo · Oct 30, 2026
What problem does 128 bits cause? Just that you don't like :: for a run of 0s? Do you need to care about ipv6 addresses in your work? Because I can tell you that when I'm trying…
by ndriscoll · Oct 29, 2026
Interest
Proportion of Hacker News items mentioning "subnet" over time.
Mentions
Total number of Hacker News items mentioning "subnet" over time.
A subnet, or subnetwork, is a logical subdivision of an IP network. The practice of dividing a network into two or more networks is called subnetting. Read more on Wikipedia