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ASN Lookup Tool
AS33667 CMCS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS33667
Organisation
Comcast Cable Communications, LLC
Name
CMCS
Total IPv4 Addresses
943,360
Total IPv4 Prefixes
167
Total IPv6 Prefixes
70
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#385 out of 78,707
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
AS204662
FR flagHarmonic France SAS
AS20940
NL flagAkamai International B.V.
AS13335
US flagCloudflare, Inc.
AS1226
US flagCalifornia Department of Technology
AS19165
US flagWebpass Inc.
Showing 5 of 148
IPv4 Active Prefixes

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

Prefix23.30.32.0/20
Range From23.30.32.0
Range To23.30.47.255
Prefix24.2.32.0/19
Range From24.2.32.0
Range To24.2.63.255
Prefix24.7.128.0/18
Range From24.7.128.0
Range To24.7.191.255
Prefix24.10.0.0/17
Range From24.10.0.0
Range To24.10.127.255
Prefix50.73.48.0/21
Range From50.73.48.0
Range To50.73.55.255
Showing 5 of 167
IPv6 Active Prefixes
Prefix2001:558:1a0::/44
Range From2001:558:1a0::
Range To2001:558:1af:ffff:ffff:ffff:ffff:ffff
Prefix2001:558:210::/44
Range From2001:558:210::
Range To2001:558:21f:ffff:ffff:ffff:ffff:ffff
Prefix2001:558:5020::/48
Range From2001:558:5020::
Range To2001:558:5020:ffff:ffff:ffff:ffff:ffff
Prefix2001:558:6012::/48
Range From2001:558:6012::
Range To2001:558:6012:ffff:ffff:ffff:ffff:ffff
Prefix2001:558:6037::/48
Range From2001:558:6037::
Range To2001:558:6037:ffff:ffff:ffff:ffff:ffff
Showing 5 of 70