192.0.2.0/24 (Documentation (TEST-NET-1))
Not routableRFC 5737
192.0.2.0/24 at a glance
| CIDR block | 192.0.2.0/24 |
|---|---|
| First address | 192.0.2.0 |
| Last address | 192.0.2.255 |
| Total addresses | 256 |
| Subnet mask | 255.255.255.0 |
| Prefix length | /24 |
| Type | Not routable |
| Publicly routable | No |
| Defined in | RFC 5737 |
Open in CIDR calculator/24 subnet details
What is 192.0.2.0/24 used for?
192.0.2.0/24 (TEST-NET-1) is reserved by RFC 5737 for documentation and examples. It is never assigned to real hosts, so it is safe to use in manuals, tutorials and sample configurations. Traffic to it should be filtered.
FAQ
What IP address should I use in documentation?
Use 192.0.2.0/24, 198.51.100.0/24 or 203.0.113.0/24 for IPv4 and 2001:db8::/32 for IPv6. They are reserved by RFC 5737 and RFC 3849 and will never belong to a real network.
Can I use 192.0.2.0/24 on my lab network?
It works technically, but it is meant for examples only. For labs use a private RFC 1918 range.