VLSM Address Planner

P002

Allocate differently sized host requirements inside one IPv4 pool using variable-length subnet masks.

Parameters

Assumptions

  • 每个传统 IPv4 子网预留网络地址和广播地址。
  • 需求按主机数从大到小自动排序。

Important notes

  • 点到点 /31 和特殊设备保留地址应按现场Design单独确认。

Standards and sources

Verified: 2026-09-05