# 127.0.0.0/8 — Loopback ## Who is this IP range? IANA identifies **127.0.0.0/8** as **Loopback** 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:** `127.0.0.0/8` - **Name:** Loopback - **RFC/reference:** [RFC1122], Section 3.2.1.3 - **Allocation date:** 1981-09 - **Termination date:** N/A - **Valid as source:** False [1] - **Valid as destination:** False [1] - **Forwardable:** False [1] - **Globally reachable:** False [1] - **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