# 100.64.0.0/10 — Shared Address Space ## Who is this IP range? IANA identifies **100.64.0.0/10** as **Shared Address Space** 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:** `100.64.0.0/10` - **Name:** Shared Address Space - **RFC/reference:** [RFC6598] - **Allocation date:** 2012-04 - **Termination date:** N/A - **Valid as source:** True - **Valid as destination:** True - **Forwardable:** True - **Globally reachable:** False - **Reserved by protocol:** False - **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