# 0.0.0.0/32 — This host on this network ## Who is this IP range? IANA identifies **0.0.0.0/32** as **This host on this network** special-purpose IPv4 space. This is a protocol or standards classification, not an assertion that one company owns or operates every address in the range. ## Special-purpose properties - **Range:** `0.0.0.0/32` - **Name:** This host on this network - **RFC/reference:** [RFC1122], Section 3.2.1.3 - **Allocation date:** 1981-09 - **Termination date:** N/A - **Valid as source:** True - **Valid as destination:** False - **Forwardable:** False - **Globally reachable:** False - **Reserved by protocol:** True - **Checked:** 2026-07-22 ## Interpretation The properties above are copied from the authoritative IANA special-purpose registry. Footnote markers are retained because exceptions and qualifications matter. Routing or operational claims require separate current evidence. ## Source - [IANA IPv4 Special-Purpose Address Registry](https://www.iana.org/assignments/iana-ipv4-special-registry/iana-ipv4-special-registry.xhtml), checked 2026-07-22