/ labNetworking · Tools
CIDR calculator (IPv4 + IPv6)
Computes everything you'd reach for `ipcalc` or a subnet sheet to learn: network address, broadcast, first and last usable hosts, host count, prefix length math, and the immediate neighbour subnets. Handles IPv4 and IPv6.
stackpure typescript
/ resultIPV4
- Network
- 10.0.0.0
- Broadcast
- 10.0.0.255
- First usable
- 10.0.0.1
- Last usable
- 10.0.0.254
- Host count
- 256
- Prefix
- /24
- Mask
- 255.255.255.0
Neighbours
Before
After