Last reviewed against v0.9.0
source:
internal/tools/ Subnet calculator
CIDR / VLSM / split / summarize. IPv4 and IPv6. Usable-host count, broadcast, network rows.
IPv4 and IPv6 subnet math:
- CIDR breakdown — network, broadcast, first / last usable, mask, wildcard, usable host count
- VLSM split — divide a parent network into N variable-sized children
- Summarize — fold a set of subnets into the smallest covering CIDR