ASN Lookup Tool
AS209 CenturyLink Communications LLC

An Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.

ASN Details

ASN
AS209
Organisation
CenturyLink Communications LLC
AS Name
CENTURYLINK-US-LEGACY-QWEST
IPv4 Addresses Announced
17,399,104
IPv4 Prefixes Announced
6,746
Bogon Prefixes Announced
24
IPv4 Space Rank
#24 out of 74,591
Registry
ARIN
Registered Country
US flag US
Registration Date
1998-11-14
Registration Change
2018-10-04

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Active Prefixes

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