ASN Lookup Tool
AS209 CENTURYLINK-US-LEGACY-QWEST

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS209
Organisation
CenturyLink Communications, LLC
Name
CENTURYLINK-US-LEGACY-QWEST
Total IPv4 Addresses
15202622
Total IPv4 Prefixes
5965
Total IPv6 Prefixes
323
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#28 out of 77,212
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1998-11-13
Registration Last Change
2018-10-04
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
US flagAT&T Services, Inc.
US flagLevel 3 Parent, LLC
US flagCenturyLink Communications, LLC
US flagCenturyLink Communications, LLC
US flagMetronet
Showing 5 of 11
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
US flagInterop Show Network
US flagAT&T Services, Inc.
US flagVerizon Business
US flagDoD Network Information Center
US flagLevel 3 Parent, LLC
Showing 5 of 877
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Range From8.3.97.0
Range To8.3.97.255
Range From8.15.5.0
Range To8.15.5.255
Range From8.17.251.0
Range To8.17.251.255
Range From8.17.252.0
Range To8.17.252.255
Showing 5 of 5965
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.