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AS209 - CenturyLink Communications

AS209 is AS block owned by CenturyLink Communications. Each AS number is unique, identifies the organization or ISP and may contain one or more IP ranges, whether it is an IPv4 or IPv6 range. Here, on this page, you will be able to find more details about your request for autonomous system number AS209 from CENTURYLINK-US-LEGACY-QWEST regarding IPv4 and IPv6 addresses in CIDR range format.

Our lookup has found the following record information for AS209 belonging to CenturyLink Communications, LLC organization.

IPv4 CIDR Range:

Total 309 IPv4 CIDR ranges found.

IPv6 CIDR Range:


Total 7 IPv6 CIDR ranges found.

The total number of combined IPv4 and IPv6 CIDR ranges for AS209 is 316.

For detailed information about the owner of AS block CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, please check Whois CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications organization that owns ASN - Autonomous System Number block - AS209.

How to lookup ASN IP?

- To lookup ASN IP use the form below with value 'ASN lookup'.
- Then enter the AS number in 'AS' format followed by numbers
ASN209 last updated: 16 June, 2024 00:16:29.

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