---
title: NEL reports · Cloudflare Logs docs
description: The descriptions below detail the fields available for nel_reports.
lastUpdated: 2024-11-18T18:59:27.000Z
source_url:
  html: https://a74404c8.preview.developers.cloudflare.com/logs/reference/log-fields/zone/nel_reports/index.md
  md: https://a74404c8.preview.developers.cloudflare.com/logs/reference/log-fields/zone/nel_reports/
---

The descriptions below detail the fields available for `nel_reports`.

## ClientIPASN

Type: `int`

Client ASN.

## ClientIPASNDescription

Type: `string`

Client ASN description.

## ClientIPCountry

Type: `string`

Client country.

## LastKnownGoodColoCode

Type: `string`

IATA airport code of colo client connected to.

## Phase

Type: `string`

The phase of connection the error occurred in; *dns* | *connection* | *application* | *unknown*.

## Timestamp

Type: `int or string`

Timestamp for error report.

## Type

Type: `string`

The type of error in the phase.
