What is checked?
- Owner organization and network type
- Announced IPv4 and IPv6 blocks
- Address count and country distribution
- Domains using nameservers and MX on this network (data accumulated from our reports)
How do I read the result?
- An ASN is the identity an organization uses for routing on the internet.
- The country distribution is weighted by address count and is an estimate.
Frequently asked questions
Is an ASN the same as an ISP?
Often similar but not the same. An ISP may run several ASNs, and a company or data center may run an ASN too.