↑↓ select ↵ open ⌫ change scope Open full search

PG.CENTER connects PostgreSQL documentation, reference, and ecosystem knowledge. Maintained by Pigsty.

FUNCTIONS / NETWORK ADDRESS FUNCTIONS AND OPERATORS

hostmask

Read PG 18 manual ↗

Computes the host mask for the address's network.

Signatures & examples

hostmask ( inet ) → inet
Computes the host mask for the address's network.
hostmask(inet '192.168.23.20/30') → 0.0.0.3
Version history 1
  1. PG 12 → 13changed

Definition snapshot: 2026-09-14T13:14:25.684213+00:00@99e6866c · English manual source