### Install aslookup with pipx for CLI usage

Source: https://pypi.org/project/aslookup

Use pipx to install the aslookup command-line interface tool. This is the recommended method for users who will only interact with the tool via the command line.

```bash
pipx install aslookup

```

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

### Get AS data using Python module

Source: https://pypi.org/project/aslookup

Import and use the get_as_data function from the aslookup library to query AS information for a given IP address. The 'service' parameter allows specifying the data source, defaulting to 'shadowserver'.

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

```

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

### Install aslookup with pip for library usage

Source: https://pypi.org/project/aslookup

Use pip to install the aslookup library within your Python environment. This method is suitable for developers who intend to use aslookup as a Python module in their projects.

```bash
python3 -m pip install aslookup

```

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

### CLI script with multiple IPv6 addresses

Source: https://pypi.org/project/aslookup/2.0.0

Shows how to use the aslookup CLI script to look up multiple IPv6 addresses directly as arguments.

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

```

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

### Validate IP prefix classifications with test data

Source: https://pypi.org/project/aslookup

Run the as-lookup CLI script using the provided test data file 'tests/test_input.txt'. This is useful for verifying IP prefix classifications and observing the script's output format.

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

```

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

### Lookup multiple IPv4 and IPv6 addresses via CLI

Source: https://pypi.org/project/aslookup

Execute the as-lookup CLI script with multiple IPv4 or IPv6 addresses as direct arguments. The script processes each address and outputs the results on separate lines.

```bash
as-lookup 8.8.8.8 9.9.9.9
as-lookup 2001:4860:4860::8888 2001:4860:4860::8844

```

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

### CLI script with multiple IPv4 addresses

Source: https://pypi.org/project/aslookup/2.0.0

Shows how to use the aslookup CLI script to look up multiple IPv4 addresses directly as arguments.

```bash
as-lookup 8.8.8.8 9.9.9.9

```

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

### Lookup IP addresses from a file via CLI

Source: https://pypi.org/project/aslookup

Use the as-lookup CLI script to process IP addresses listed in a file. Pipe the file content to the script's standard input using the '<' redirection operator.

```bash
as-lookup < ipaddrs.txt

```

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