91–100 of 208 posts
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Over at a University we run, we like to run like a ISP and only have a /16 to work with, its very tight even now, we have thousands of students using the Wifi, Dorm Networks and such. I do wish we had more.
Shouldn't many of those be on NATs?
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Of a highly constrained resource, they're using a tiny fraction of what they've been given. That's a weird definition of "using what they have." If I asked for a class C for my business running a local corner store, I'd be looked at like I was crazy. IBM gets 16 million public IPs and it's cool? Yeah, I know you can't perfectly use an IP space, but with 128 offices, IBM could give each office an allocation of around…
It may be difficult to understand now, but back in the 90's, addresses were handed out like candy. IBM got their allocation in the late 80's. I worked for a couple of small and mid-sized companies that had /16's and larger. And we barely used a fraction of that space. I have a /24, personally, registered back in 1993. It's routed to my home network. I know several other folks who were on the early internet, and had t…
Am I the only one alarmed that WD maintains a public registry (via DNS) of MyCloud device UUIDs, their public IP, and their private IP? How many of those are on networks with exploitable routers? Like, you have an external entrypoint and a target internal IP that you know will contain a trove of potentially interesting data.
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No, ISPs shouldn't force users behind NATs.
During a shortage, push comes to shove.
There is an important difference between "it might be necessary to put them behind NATs" and "shouldn't they be on NATs?".
Earlier quoted context omitted.
Over at a University we run, we like to run like a ISP and only have a /16 to work with, its very tight even now, we have thousands of students using the Wifi, Dorm Networks and such. I do wish we had more.
Shouldn't many of those be on NATs?
Sure, some companies have large blocks but that's nothing compared to that.
There is still plenty of IPv4 space available, it's just very badly distributed, for instance, due to early limits in Cisco's IOS, Chevron acquired an insane 26 Class B address blocks when connecting to the net back in the early 90s! With CIDR, we can easily reuse the many unused addrs like those, but the pain of readdressing has their owners sitting on them, raising prices and making them even more reluctant to turn…
> First, the addresses are too damn long and unwieldy to really be used; and second, even most people reading this, tech people in a tech forum, struggle to really grasp the inane IPv6 address shortening rules! Ever heard of DNS?
I am curious: Could I in theory buy a IPv4 address, which I can use for the rest of my life? (given that I could convince my provider to route it)
All in all you could make the above happen for about the price of a lower end new car in the best case.
There are other ways to get non-legacy IPv4 assignments now but those are leased not owned.