Network Overview

ASNAS8881
Organization1&1 Versatel GmbH
Announced IPv4 ranges284
Total IPv4 addresses1,793,792

Sample IP Ranges Announced by AS8881

Range StartRange EndLookup
9.151.48.0 9.151.63.255 Details →
9.232.32.0 9.232.63.255 Details →
9.249.32.0 9.249.47.255 Details →
14.102.90.0 14.102.90.255 Details →
23.27.65.0 23.27.65.255 Details →
23.27.67.0 23.27.67.255 Details →

What Is an Autonomous System?

An autonomous system (AS) is a collection of IP networks operated by a single organization - an ISP, cloud provider, enterprise, or university - that shares a common routing policy. Each AS is identified by a unique AS number (ASN) and exchanges routing information with other systems using the BGP protocol.

Knowing which ASN an IP belongs to reveals who actually operates the network behind it - useful for fraud analysis, traffic quality assessment, and abuse investigation. Use the IP lookup tool to find the ASN for any address.

Frequently Asked Questions

What is AS8881?

AS8881 is the autonomous system operated by 1&1 Versatel GmbH, announcing 284 IPv4 ranges (1,793,792 addresses).

Who operates AS8881?

1&1 Versatel GmbH. An autonomous system is a network under a single administrative entity that exchanges routes with other networks via BGP.

How do I check if an IP belongs to AS8881?

Enter the IP into our free IP lookup - the result shows the ASN, operator, geolocation, and VPN/datacenter flags.