ISP / ASN Lookup

What is ASN?

According to Wikipedia, "An autonomous system is a collection of connected Internet Protocol routing prefixes under the control of one or more network operators on behalf of a single administrative entity or domain that presents a common, clearly defined routing policy to the internet."

It sometimes required to know an networking organization information (such as local internet provider or a hosting provider). ASN Lookup tool comes in handy for that operation. This tool brings all the available information about the organization.

How we fetch AS Information

We collect AS information directly from the RIR servers of the respective IPv4 address. If your search query is IPv6 or AS Code, we collect the information RADB database.