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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
3,328
Total IPv4 Prefixes
13
Total IPv6 Prefixes
68
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#17,939 out of 77,684
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
AS7922
US flagComcast Cable Communications, LLC
AS3356
US flagLevel 3 Parent, LLC
Transit To

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

 

ASN
Organisation
AS13335
US flagCloudflare, Inc.
AS210
US flagUtah Education Network
AS65501
WORLD flagPrivate Use AS
AS65401
WORLD flagPrivate Use AS
AS11052
US flagIntermountain Health Care, Inc.
Showing 5 of 70
IPv4 Active Prefixes

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

Prefix50.204.89.0/24
Range From50.204.89.0
Range To50.204.89.255
Prefix50.207.68.0/24
Range From50.207.68.0
Range To50.207.68.255
Prefix50.217.32.0/24
Range From50.217.32.0
Range To50.217.32.255
Prefix50.222.146.0/24
Range From50.222.146.0
Range To50.222.146.255
Prefix50.222.157.0/24
Range From50.222.157.0
Range To50.222.157.255
Showing 5 of 13
IPv6 Active Prefixes
Prefix2001:559:29::/48
Range From2001:559:29::
Range To2001:559:29:ffff:ffff:ffff:ffff:ffff
Prefix2001:559:fa::/48
Range From2001:559:fa::
Range To2001:559:fa:ffff:ffff:ffff:ffff:ffff
Prefix2001:559:fb::/48
Range From2001:559:fb::
Range To2001:559:fb:ffff:ffff:ffff:ffff:ffff
Prefix2001:559:20a::/48
Range From2001:559:20a::
Range To2001:559:20a:ffff:ffff:ffff:ffff:ffff
Prefix2001:559:26c::/48
Range From2001:559:26c::
Range To2001:559:26c:ffff:ffff:ffff:ffff:ffff
Showing 5 of 68
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.