---
id: "ietf_rfc"
kind: "datatype"
status: "draft"
is_pii: false
categories: ["internet", "identifiers"]
langs: ["common"]
quality: 70
url: "https://registry.apicrafter.io/datatype/ietf_rfc"
---

# IETF RFC reference (`ietf_rfc`)

> **Draft.** Draft records have not been reviewed yet and may be incomplete or wrong; do not treat them as authoritative for legal or compliance decisions.

Reference to a Request for Comments document of the IETF and the RFC Editor, by its number, sometimes with a section. Protocol registries and standards documents cite their sources this way.

- Personal data (PII): no
- Categories: Internet (internet), Universal unique identifiers (identifiers)
- Countries: global
- Languages: Common to most languages (common)

## Detection

Regular expression (Python `re`):

```
^\[?RFC ?\d{1,5}(, Section [\d.]+)?\]?$
```

## Examples

- `[RFC 1918]` — Address Allocation for Private Internets, cited in the IANA IPv4 special-purpose registry
- `[RFC 791, Section 3.2]` — RFC number with a section

## Sources

- doc: <https://www.rfc-editor.org/>
- wikipedia: <https://en.wikipedia.org/wiki/Request_for_Comments>

## Quality

Score 70/100. Missing: negative example, mapping (Wikidata, Schema.org, ...), translation, detector coverage.

JSON: <https://registry.apicrafter.io/api/v1/datatypes/ietf_rfc.json> · Edit: <https://github.com/apicrafter/metacrafter-registry/edit/main/data/datatypes/any/internet/ietf_rfc.yaml>