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 Lookup for:

ASN Details

ASN
AS209
Organisation
CenturyLink Communications, LLC
AS Name
CENTURYLINK-US-LEGACY-QWEST
IPv4 Addresses Announced
17,663,197
IPv4 Prefixes Announced
6,697
IPv6 Prefixes Announced
575
IPv4 Bogon Prefixes
0
IPv6 Bogon Prefixes
0
IPv4 Space Rank
#24 out of 75,559
Registry
Arin
Registered Country
US
Registration Date
1998-11-13
Registration Change
2018-10-04

Receiving From

ASN
Organisation
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Level 3 Parent, LLC
Comcast Cable Communications, LLC
Cogent Communications
KDDI CORPORATION
CenturyLink Communications, LLC
Sprint
Telstra Corporation Limited
Vodafone GmbH
TELEFÔNICA BRASIL S.A
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Transit To

ASN
Organisation
CenturyLink Communications, LLC
Interop Show Network
CenturyLink Communications, LLC
AT&T Services, Inc.
DoD Network Information Center
Verizon Business
Verizon Business
Level 3 Parent, LLC
Verizon Business
CenturyLink Communications, LLC
Showing 10 of 1,164 Results View More >

Active Prefixes IPv4

Prefix
Range From
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