Bgp As Number Lookup

Search by ASN and Get Detailed Information

What is an ASN?

An Autonomous System Number (ASN) is a unique identifier assigned to a network that operates its own independent routing and addressing system. It is used in routing decisions and helps ensure that data is efficiently transferred between different networks.

How to Search by ASN

There are several ways to search for information using an ASN. One method is to use a tool like bgptools or DNS Lookup. These tools allow you to look up information such as IP prefixes, subnets, and AS names associated with a specific ASN.

Specific ASN and Address Examples

For example, if you want to find information about AS13335 and the associated IP prefix 888024, you can use the following command in bgptools:

bgptools as-info -i AS13335 -s bgpv4 888024

You can also search for information using a MAC address. For instance, the following command can be used to look up details for the MAC address 3cecef6f8d75:

mac-lookup 3cecef6f8d75

Benefits of Searching by ASN

Searching by ASN can provide several benefits, including:

• Identifying network ownership: Determine the network responsible for a particular IP address or range.
• Troubleshooting routing issues: Trace the path of data packets and identify potential bottlenecks or errors.
• Analyzing network topology: Gain insights into the structure and interconnections of the internet.
• Ensuring data security: Verify the authenticity of ASNs to prevent spoofing and malicious activities.

Conclusion

Searching by ASN is a powerful tool for gathering information about networks and troubleshooting issues. Whether you are a network administrator, security analyst, or simply curious about the internet's infrastructure, understanding ASNs can help you gain valuable insights.