ASN Lookup Tool
AS33651 CMCS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS33651
Organisation
Comcast Cable Communications, LLC
Name
CMCS
Total IPv4 Addresses
42,752
Total IPv4 Prefixes
71
Total IPv6 Prefixes
245
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#4,365 out of 78,043
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 flagComcast Cable Communications, LLC
US flagLevel 3 Parent, LLC
US flagNTT America, Inc.
Transit To

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

 

ASN
Organisation
US flagTPx Communications
US flagLevel 3 Parent, LLC
US flagWebpass Inc.
US flagUnited States Postal Service.
US flagAlameda County Office of Education
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IPv4 Active Prefixes

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

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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.