ASN Lookup Tool
AS6640 CENTURYLINK-TIER3-CLOUD

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS6640
Organisation
CenturyLink Communications, LLC
Name
CENTURYLINK-TIER3-CLOUD
Total IPv4 Addresses
46512
Total IPv4 Prefixes
153
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#4,283 out of 76,854
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1996-06-12
Registration Last Change
2018-10-04
Receiving From

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

ASN
Organisation
US flagCenturyLink Communications, LLC
CA flagAptum Technologies
US flagUnitas Global
US flagUnitas Global
US flagUnitas Global
Showing 5 of 7
IPv4 Active Prefixes

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

Showing 5 of 153
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.