"Can someone explain how many ips in a /29 actually?"
Hey guys, quick question that’s been bugging me. I keep seeing different answers online and just wanna clear it up.
So, how many ips in a /29? I know the math *should* be simple, but some folks say 8, others say 6 usable... which is it?
Also, does the network and broadcast IP eat up 2 of those? Like, is it always total IPs minus 2?
Kinda need this for a project and don’t wanna mess it up. Thanks in advance!
(PS: If you’ve got a dumbed-down explanation, even better. Networking isn’t my strong suit lol.)
Hey! So, a /29 gives you 8 total IPs, but yeah, 2 are reserved—one for the network and one for broadcast. That leaves you with 6 usable IPs.
The math is simple: 32 - 29 = 3, so 2^3 = 8 total IPs. Minus 2 for network/broadcast, and you’ve got 6.
If you’re still confused, check out subnettingpractice.com—it breaks it down super clearly.
Hope that helps!
Wait, why do people say 6 usable? Isn’t it 8?
Ohhh, right—the network and broadcast IPs. Yeah, those two are always off-limits, so technically, how many ips in a 29 is 8 total, but only 6 are usable for devices.
Btw, if you’re setting something up, don’t forget to account for those reserved ones. Learned that the hard way lol.
Formal answer: A /29 subnet consists of 8 IP addresses. However, as per networking conventions, the first IP is the network identifier, and the last is the broadcast address. Thus, you have 6 usable host addresses.
For verification, you may use an online subnet calculator like calculator.net/ip-subnet-calculator.html.
Dude, I had the SAME question last week! How many ips in a 29 tripped me up too.
Short answer: 8 total, 6 usable. The first and last IPs are basically “taken” by the network itself.
If you’re visual, draw it out—it helps. Or just punch it into a subnet calc and let the tool do the work.
Thanks everyone! This clears up so much. I was totally overcomplicating it.
So, to confirm: how many ips in a 29 is 8 total, but only 6 usable because of network/broadcast. Got it.
I tried subnettingpractice.com like someone suggested, and it’s way easier than I thought.
One last thing—does the gateway IP usually take up one of the 6? Or is that extra? Just wanna make sure I don’t run out.
Opinion time: The whole “how many ips in a 29” thing is confusing because nobody explains the reserved IPs well.
It’s 8 total, but you only get 6 for your devices. The other two? Network and broadcast. They’re like the bookends of your subnet.
Pro tip: If you’re subnetting a lot, memorize the pattern—/24 = 256, /25 = 128, etc. Makes life easier.
Quick and dirty: /29 = 8 IPs. Minus 2 = 6 usable.
Why? Because networking rules say so.
If you wanna nerd out, read up on CIDR notation. But for your project, just remember 6 usable IPs.
Wait, does this include the gateway IP? Or is that separate?
Like, if I have a /29, is the gateway one of the 6 usable IPs? Or do I need to reserve another one?
Asking because I’ve seen both ways and now I’m second-guessing everything lol.
