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# 192.88.99.0/24 — Deprecated (6to4 Relay Anycast)

## Who is this IP range?

IANA identifies **192.88.99.0/24** as **Deprecated (6to4 Relay Anycast)** 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:** `192.88.99.0/24`
- **Name:** Deprecated (6to4 Relay Anycast)
- **RFC/reference:** [RFC7526]
- **Allocation date:** 2001-06
- **Termination date:** 2015-03
- **Valid as source:** Not stated
- **Valid as destination:** Not stated
- **Forwardable:** Not stated
- **Globally reachable:** Not stated
- **Reserved by protocol:** Not stated
- **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