192.168.0.0/24: The Other Default Home Network

192.168.0.0/24 is the first /24 of the 192.168 private range and the second most common router default after 192.168.1.0/24. The router normally sits at 192.168.0.1.

192.168.0.0/24 at a glance

Address range
192.168.0.0 – 192.168.0.255
Usable hosts
254
Total addresses
256
First usable
192.168.0.1
Last usable
192.168.0.254
Subnet mask
255.255.255.0
Wildcard mask
0.0.0.255
Type
Private (RFC 1918)

Is an address inside 192.168.0.0/24?

Yes — 192.168.0.23 is inside 192.168.0.0/24. It is address number 23 in the block (counting from 0).

What 192.168.0.0/24 is

It is a private /24 with 254 usable addresses (192.168.0.1 to 192.168.0.254). It cannot be reached from the Internet without NAT or port forwarding.

Because it is the very first block of 192.168.0.0/16, it is also the first block many tools pick by default — including Docker when it runs out of 172.x networks, and Calico's default pod CIDR, which covers all of 192.168.0.0/16.

Who uses it

  • Routers and ISP modems

    Many D-Link, TP-Link, Netgear and ISP-supplied cable modems default to 192.168.0.1 (it varies by model and firmware).

  • Printers and cameras out of the box

    Some devices fall back to a 192.168.0.x address when DHCP fails, so they can be reached for first-time setup.

Conflicts and gotchas

  • ISP modem plus your own router. Both default to 192.168.0.0/24, so your router's WAN and LAN are on the same subnet. Routing breaks. Move your router's LAN to something else, or put the modem in bridge mode.
  • Docker and Kubernetes. Docker's default pools can hand a compose network 192.168.0.0/20, which covers this whole /24, and Calico's default pod CIDR is 192.168.0.0/16. Either one hides your real LAN from the host. Check with the overlap checker.
  • VPN clashes. Same problem as 192.168.1.0/24: if office and home both use it, VPN traffic never leaves the laptop.

How to split 192.168.0.0/24

Worked example: into /25s

  1. Going from /24 to /25 borrows 25 − 24 = 1 bit from the host part.
  2. Each borrowed bit doubles the number of subnets: 21 = 2 subnets.
  3. Each /25 keeps 32 − 25 = 7 host bits: 27 = 128 addresses, so 126 usable after removing network and broadcast.
  4. The new mask is 255.255.255.128, so subnets step by 128 in the fourth octet: 192.168.0.0/25, 192.168.0.128/25 up to 192.168.0.128/25.
Ways to split 192.168.0.0/24
Split into Subnets Usable each First blocks Good for
/25 2 126 192.168.0.0/25, 192.168.0.128/25 Main LAN plus a separate guest network.
/26 4 62 192.168.0.0/26, 192.168.0.64/26, … Four segments for users, Wi-Fi, IoT and servers.
/28 16 14 192.168.0.0/28, 192.168.0.16/28, … Sixteen tiny segments, e.g. per-room lab networks.

192.168.0.0/24 FAQ

What is the default gateway for 192.168.0.0/24?

Usually 192.168.0.1, but it is a convention, not a rule. Check your router or run ipconfig / ip route.

Is 192.168.0.0 a valid IP address for a device?

Not in a /24. 192.168.0.0 is the network address of 192.168.0.0/24 and cannot be assigned to a host.

How many devices can 192.168.0.0/24 hold?

254, from 192.168.0.1 to 192.168.0.254. In practice a few go to the router and static devices, and the DHCP pool hands out the rest.

Related tools

CIDR to IP Range Every address in 192.168.0.0/24 CIDR Calculator Split 192.168.0.0/24 into any size Subnet Overlap Checker Check it against your other ranges VLSM Calculator Split it into different-sized subnets /24 explained Mask, block size and maths for any /24

Other well-known networks: 10.0.0.0/24, 10.0.0.0/8, 100.64.0.0/10, 127.0.0.0/8, 169.254.0.0/16, 172.16.0.0/12, 172.17.0.0/16, 192.168.0.0/16, 192.168.1.0/24 · all networks