ASN Lookup Tool
AS33660 CMCS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS33660
Organisation
Comcast Cable Communications, LLC
Name
CMCS
Total IPv4 Addresses
889598
Total IPv4 Prefixes
111
Total IPv6 Prefixes
80
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#406 out of 77,302
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 flagLevel 3 Parent, LLC
US flagComcast Cable Communications, LLC
Transit To

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

 

ASN
Organisation
US flagMerit Network Inc.
US flagCloudflare, Inc.
US flagUtah Education Network
WORLD flagPrivate Use AS
WORLD flagPrivate Use AS
Showing 5 of 72
IPv4 Active Prefixes

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

Range From23.30.48.0
Range To23.30.63.255
Range From24.2.64.0
Range To24.2.95.255
Range From24.2.96.0
Range To24.2.111.255
Range From24.11.0.0
Showing 5 of 111
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.