192.168.1.0/24: The Most Common Home Network

If you have ever typed 192.168.1.1 into a browser to reach a router, you have met this network. It is a private /24 with 254 usable addresses, and it is the factory default on a huge number of home and small-office routers.

192.168.1.0/24 at a glance

Address range
192.168.1.0 – 192.168.1.255
Usable hosts
254
Total addresses
256
First usable
192.168.1.1
Last usable
192.168.1.254
Subnet mask
255.255.255.0
Wildcard mask
0.0.0.255
Type
Private (RFC 1918)

Is an address inside 192.168.1.0/24?

Yes — 192.168.1.50 is inside 192.168.1.0/24. It is address number 50 in the block (counting from 0).

What 192.168.1.0/24 is

192.168.1.0/24 is one /24 inside the private range 192.168.0.0/16 (RFC 1918). Addresses in it are not routed on the Internet; your router translates them to its public IP with NAT.

The usual layout: the router is 192.168.1.1, DHCP hands out something like 192.168.1.100 to 192.168.1.199, and 192.168.1.255 is the broadcast address.

Who uses it

  • Home routers

    Many Linksys, Netgear, Asus and TP-Link models ship with 192.168.1.1 as the LAN address (defaults vary by model and ISP firmware).

  • Small offices

    Small businesses often keep the router default rather than planning an address scheme, so 192.168.1.0/24 is everywhere.

Conflicts and gotchas

  • Remote-access VPNs. If the office LAN is 192.168.1.0/24 and an employee's home LAN is too, traffic to office servers never enters the VPN — the laptop thinks they're local. This is the number one reason to not use 192.168.1.0/24 for a business network.
  • Site-to-site VPNs. Two sites with the same subnet cannot be routed to each other without NAT. Check before you connect with the overlap checker.
  • Double NAT. If the ISP's modem-router already uses 192.168.1.0/24 and you plug in your own router with the same default, the WAN and LAN sides collide and nothing works. Change one of them, for example to 192.168.50.0/24.

How to split 192.168.1.0/24

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: 192.168.1.0/25, 192.168.1.128/25 up to 192.168.1.128/25.
Ways to split 192.168.1.0/24
Split into Subnets Usable each First blocks Good for
/25 2 126 192.168.1.0/25, 192.168.1.128/25 Two halves: e.g. main network and guest Wi-Fi.
/26 4 62 192.168.1.0/26, 192.168.1.64/26, … Four VLANs: users, Wi-Fi, IoT, cameras.
/27 8 30 192.168.1.0/27, 192.168.1.32/27, … Eight small VLANs for a home lab.

192.168.1.0/24 FAQ

What is the range of 192.168.1.0/24?

192.168.1.0 to 192.168.1.255. Usable hosts are 192.168.1.1 to 192.168.1.254.

Is 192.168.1.0/24 public or private?

Private. It is part of 192.168.0.0/16, reserved by RFC 1918 for private networks.

Should I change my network away from 192.168.1.0/24?

If you use a VPN to work or connect to other sites, yes. Pick something less common like 192.168.73.0/24 or a block from 10.0.0.0/8 to avoid clashes.

Related tools

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, 192.168.0.0/24 · all networks