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ASN Lookup Tool
AS4015 CENTURYLINK-LEGACY-QWEST-SPA-OMAHA

Powered By:
ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS4015
Organisation
CenturyLink Communications, LLC
Name
CENTURYLINK-LEGACY-QWEST-SPA-OMAHA
Total IPv4 Addresses
14,336
Total IPv4 Prefixes
4
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#7,764 out of 77,693
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1994-11-10
Registration Last Change
2018-10-04
Receiving From

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

ASN
Organisation
AS209
US flagCenturyLink Communications, LLC
IPv4 Active Prefixes

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

Prefix148.156.208.0/21
Range From148.156.208.0
Range To148.156.215.255
Prefix155.70.16.0/20
Range From155.70.16.0
Range To155.70.31.255
Prefix155.70.48.0/20
Range From155.70.48.0
Range To155.70.63.255
Prefix155.70.64.0/20
Range From155.70.64.0
Range To155.70.79.255
IPv6 Active Prefixes
Prefix2001:428:b21::/48
Range From2001:428:b21::
Range To2001:428:b21:ffff:ffff:ffff:ffff:ffff
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.