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An Autonomous System (AS) is a connected group of one or more IP prefixes run by one or more network operators which has a single and clearly defined routing policy. Every network operator must have an officially registered Autonomous System Number (ASN). A unique ASN is allocated to each AS for use in BGP routing. AS numbers are important because the ASN uniquely identifies each network on the Internet. This global AS/BGP report shows detailed information like IPv4 and IPv6 Prefixes, IPv4 and IPv6 Peers, whois information and hosted domains for every ASN.

timeline ASN Statistics per Country

Showing aggregate number of ASNs, hosted domains, IPv4 addresses and prefixes for each country.

trending_up BGP statistics for the last 3 years





announcement About this Report

The AS/BGP Report is calculated for every allocated AS number. The report is updated on a weekly basis, last updated on 2018-07-15.

The underlying DNS data is updated every 3 weeks, the Whois data is cached for about one month.

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code API access to this Report

premium ASInfo

ASN info as displayed in this report.

free IP2ASN

ASN & Subnet info about an IP.

premium SubnetInfo

Subnet info used in this report.