> ## Documentation Index
> Fetch the complete documentation index at: https://docs.joinmassive.com/llms.txt
> Use this file to discover all available pages before exploring further.

# ASN identifier targeting

> You can target a request by an ASN number, a unique identification number that identifies a network or group of networks under a single routing policy on the internet.

| Key | Value                                                                    |
| --- | ------------------------------------------------------------------------ |
| asn | ASN numbers are used by various routing protocols. Value range: 0-65536. |

Example using query parameters:

```bash theme={null}
curl -x https://network.joinmassive.com:65535 \
     -U '{PROXY_USERNAME}-asn-7018:{API_KEY}' \
     https://cloudflare.com/cdn-cgi/trace
```

This parameter can be used in combination with all other options. The following request targets by  ASN  in United States:

```bash theme={null}
curl -x https://network.joinmassive.com:65535 \
     -U '{PROXY_USERNAME}-country-US-asn-7018:{API_KEY}' \
     https://cloudflare.com/cdn-cgi/trace
```