Network192.168.10.0/24
Mask255.255.255.0
Gateway192.168.10.1
Broadcast192.168.10.255
First IP192.168.10.1
Last IP192.168.10.254
Usable hosts254
DHCPNot set
Network & VLAN Planner
Network & VLAN Planner
Build a clean IPv4 addressing plan, automatically calculate ranges and detect conflicts before deployment.
Everything stays in your browser: no network plan is sent to a server.
| Name | VLAN ID | CIDR subnet | Gateway | DHCP start | DHCP end | |
|---|---|---|---|---|---|---|
Calculated plan
The values below are recalculated automatically.
Network192.168.20.0/24
Mask255.255.255.0
Gateway192.168.20.1
Broadcast192.168.20.255
First IP192.168.20.1
Last IP192.168.20.254
Usable hosts254
DHCP192.168.20.50 → 192.168.20.220
Network192.168.30.0/24
Mask255.255.255.0
Gateway192.168.30.1
Broadcast192.168.30.255
First IP192.168.30.1
Last IP192.168.30.254
Usable hosts254
DHCP192.168.30.50 → 192.168.30.220
Network192.168.40.0/24
Mask255.255.255.0
Gateway192.168.40.1
Broadcast192.168.40.255
First IP192.168.40.1
Last IP192.168.40.254
Usable hosts254
DHCP192.168.40.50 → 192.168.40.240
Network192.168.99.0/24
Mask255.255.255.0
Gateway192.168.99.1
Broadcast192.168.99.255
First IP192.168.99.1
Last IP192.168.99.254
Usable hosts254
DHCPNot set
My local plans
Save up to 10 plans on this device.
No saved plans.
Prefer private RFC1918 ranges. Check existing VPNs, remote sites, provider equipment and guest networks before assigning a new subnet.