ASN Lookup Tool
AS33662 CMCS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS33662
Organisation
Comcast Cable Communications, LLC
Name
CMCS
Total IPv4 Addresses
2339837
Total IPv4 Prefixes
128
Total IPv6 Prefixes
110
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#191 out of 76,853
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2005-02-16
Registration Last Change
2021-01-25
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 flagComcast Cable Communications, LLC
US flagCogent Communications
JP flagKDDI CORPORATION
Showing 5 of 25
Transit To

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

 

ASN
Organisation
US flagAT&T Data Communications Services
ES flagSantander Global Technology, S.L.U
WORLD flagPrivate Use AS
US flagWhiteSky Communications, LLC.
US flagJack Henry & Associates, Inc.
Showing 5 of 55
IPv4 Active Prefixes

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

Range From23.30.64.0
Range To23.30.95.255
Range From50.78.32.0
Range To50.78.39.255
Showing 5 of 128
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.