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[–]sniper98g0 points
2 points
2 points
(+2|-0)
ago
10.0.0.0/8, 172.16.0.0/16, and 192.168.0-255.0/24 are all widely used in corporate networks. Most of my clients use exclusive 10 space or a mix of all of them.
192.168.0.0 is a /16, it isn't always a /24 in corporate. Most companies I've done work for never have more than 254 devices on a single subnet before being separated by other routers across different floors in the building though, so it's just easier to put their first floor on 192.168.1.0/24, and their second floor on 192.168.2.0/24. Makes it neat and easy to understand.
That said, I've only ever done work for small/medium businesses, I'm sure someone like IBM probably works in giant fucking buildings with huge floorspace, and depending on how their phone lines are done, would require something like a /23 or even larger per floor.
As for why 10.0.0.0/8 never caught on as the standard instead of 192.168.0.0/16; no idea <3
My best guess would be that the 192.168.#.# already gives you 65 thousand unique addresses, which is way more than any company would realistically need for 1 lan.
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[–] sniper98g 0 points 2 points 2 points (+2|-0) ago
10.0.0.0/8, 172.16.0.0/16, and 192.168.0-255.0/24 are all widely used in corporate networks. Most of my clients use exclusive 10 space or a mix of all of them.
[–] Heimdallr 0 points 1 point 1 point (+1|-0) ago
192.168.0.0 is a /16, it isn't always a /24 in corporate. Most companies I've done work for never have more than 254 devices on a single subnet before being separated by other routers across different floors in the building though, so it's just easier to put their first floor on 192.168.1.0/24, and their second floor on 192.168.2.0/24. Makes it neat and easy to understand. That said, I've only ever done work for small/medium businesses, I'm sure someone like IBM probably works in giant fucking buildings with huge floorspace, and depending on how their phone lines are done, would require something like a /23 or even larger per floor.
As for why 10.0.0.0/8 never caught on as the standard instead of 192.168.0.0/16; no idea <3
[–] RNC1839 ago
My best guess would be that the 192.168.#.# already gives you 65 thousand unique addresses, which is way more than any company would realistically need for 1 lan.