198.51.100.0/24 (Documentation (TEST-NET-2))
Not routableRFC 5737
198.51.100.0/24 at a glance
| CIDR block | 198.51.100.0/24 |
|---|---|
| First address | 198.51.100.0 |
| Last address | 198.51.100.255 |
| 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 198.51.100.0/24 used for?
198.51.100.0/24 (TEST-NET-2) is the second IPv4 block reserved for documentation by RFC 5737. Use it in examples that need more than one network, alongside 192.0.2.0/24 and 203.0.113.0/24.
FAQ
Is 198.51.100.0/24 a real public IP range?
No. It looks public but is reserved for documentation (TEST-NET-2) and is not assigned to anyone.
Why are there three IPv4 documentation ranges?
So examples can show traffic between several networks, such as a client, an ISP and a server, without using real addresses.