Autonomous System

Autonomous System

What is an Autonomous System (AS)?

The Internet is a network that consists of several networks. Autonomous Systems are the large networks that make up the Internet and have a unified routing policy. Every device or computer connected to the Internet is in an Autonomous System (AS).

A autonomous system can be compared to a post office. Mail is routed from post office to post office until it reaches the correct post office. The appropriate post office then delivers the mail to the appropriate address.

Data packets similarly traverse the Internet by being routed from autonomous system to autonomous system until they reach the autonomous system (AS) that contains the destination IP address.

Autonomous System Number


ASN 16bit IPv6 /44 BundleASN 32bit IPv6 /44 Bundle
Price 75.00 CHFAnnually 75.00 CHFAnnually
Setup 5,000.00 CHFOne-off 60.00 CHFOne-off
IPv6 /44 /44

What is an Autonomous System Number?

An autonomous system number is a unique identifier (number) that is globally available and allows the autonomous system to exchange routing information with other systems.

AS numbers (ASNs), are unique 16 bit numbers between 1 and 65534 or 32 bit numbers between 131072 and 4294967294..

What is an AS routing policy?

An AS routing policy is a list of the IP address space that the autonomous system controls and a list of the other autonomous systems to which it is connected. This information is required for routing packets to the correct networks. This information is advertised by autonomous systems to the Internet via the Border Gateway Protocol (BGP).

How is the assignment process?

1. Order

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2. Agreement

After you complete the order and payment process, you will automatically receive an email containing the End User Assignment Agreement (EUAA) PDF document.

3. Signature

Please read, sign and return the End User Assignment Agreement PDF document with a copy of your ID card or passport.

4. Verification

Once we receive all the required documents, we will review them and submit them to RIPE NCC via a secure connection.

5. Processing

Subsequently, your request will be verified and processed at RIPE. This process usually takes two to three business days. Please note that we have no influence on this processing time.

6. Clarify questions

In special cases (usually with Provider Independent address space) RIPE still has some questions. In this case we will contact you by e-mail to clarify these open questions.

7. Allocation

As soon as all questions have been answered and documents have been submitted and RIPE has accepted your application, you will be assigned the corresponding Internet resource and confirmed by e-mail.

8. Administration

You can manage your Internet resources at any time via the web interface or the RIPE database.

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