### Install aslookup with pipx (CLI)

Source: https://github.com/dspruell/aslookup/blob/master/README.md

Use pipx to install the aslookup command-line interface if you will only use it as a utility.

```bash
pipx install aslookup
```

--------------------------------

### Install aslookup with pip (Library)

Source: https://github.com/dspruell/aslookup/blob/master/README.md

Use pip to install aslookup into your Python environment if you plan to use it as a library.

```bash
python3 -m pip install aslookup
```

--------------------------------

### Get AS Data using Python Module

Source: https://github.com/dspruell/aslookup/blob/master/README.md

Import the get_as_data function and call it with an IP address. The service parameter can be used to specify 'shadowserver' or 'team-cymru' (default).

```python
from aslookup import get_as_data
ip = "8.8.8.8"
get_as_data(ip, service="shadowserver")
```

--------------------------------

### CLI Lookup from Standard Input

Source: https://github.com/dspruell/aslookup/blob/master/README.md

Pipe a list of IP addresses from a file (e.g., ipaddrs.txt) into the as-lookup script via standard input.

```bash
as-lookup < ipaddrs.txt
```

--------------------------------

### CLI Lookup with Test Data

Source: https://github.com/dspruell/aslookup/blob/master/README.md

Use the as-lookup script with the provided test input file to validate IP prefix classifications and output format.

```bash
as-lookup < tests/test_input.txt
```

--------------------------------

### CLI Lookup with Multiple IPs

Source: https://github.com/dspruell/aslookup/blob/master/README.md

Provide multiple IPv4 or IPv6 addresses as command-line arguments to the as-lookup script for concurrent processing.

```bash
as-lookup 8.8.8.8 9.9.9.9
```

```bash
as-lookup 2001:4860:4860::8888 2001:4860:4860::8844
```

=== COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.