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ASN Lookup Tool
AS33667 Comcast Cable Communications, LLC

An 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.

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ASN Lookup for:

AS33667

Powered By:
ASN Extended Info API
BGP Active Prefixes API
ASN Details JSON View

ASN Details

ASN
AS33667
Organisation
Comcast Cable Communications, LLC
AS Name
CMCS
IPv4 Addresses Announced
1,857,205
IPv4 Prefixes Announced
200
IPv6 Prefixes Announced
86
IPv4 Bogon Prefixes
0
IPv6 Bogon Prefixes
0
IPv4 Space Rank
#231 out of 75,767
Registry
Arin
Registered Country
US
Registration Date
2005-02-16
Registration Change
2021-01-25

Receiving From

ASN
Organisation
AS3356
Level 3 Parent, LLC
AS7922
Comcast Cable Communications, LLC

Transit To

ASN
Organisation
AS20940
Akamai International B.V.
AS13335
Cloudflare, Inc.
AS6099
Alameda County Office of Education
AS2
University of Delaware
AS16920
Wind River Systems, Inc.
AS18880
Lam Research Corporation
AS14706
Monterey Bay Aquarium Research Institute
AS18663
University of the Pacific
AS32537
Xilinx Incorporated
AS46341
California Public Utilities Commission

Active Prefixes IPv4

Prefix
Range From
Range To
Prefix 107.0.146.0/24
Range From 107.0.146.0
Range To 107.0.146.255
Prefix 107.0.64.0/23
Range From 107.0.64.0
Range To 107.0.65.255
Prefix 139.181.7.0/24
Range From 139.181.7.0
Range To 139.181.7.255
Prefix 140.89.0.0/16
Range From 140.89.0.0
Range To 140.89.255.255
Prefix 142.131.240.0/22
Range From 142.131.240.0
Range To 142.131.243.255
Prefix 157.240.151.0/24
Range From 157.240.151.0
Range To 157.240.151.255
Prefix 157.240.152.0/24
Range From 157.240.152.0
Range To 157.240.152.255
Prefix 161.82.12.0/24
Range From 161.82.12.0
Range To 161.82.12.255
Prefix 161.82.44.0/23
Range From 161.82.44.0
Range To 161.82.45.255
Prefix 162.151.165.0/24
Range From 162.151.165.0
Range To 162.151.165.255
Showing 10 of 200 Results View More >

Active Prefixes IPv6

Prefix
Range From
Range To
Prefix 2001:558:1a0::/44
Range From 2001:558:1a0::
Range To 2001:558:1af:ffff:ffff:ffff:ffff:ffff
Prefix 2001:558:210::/44
Range From 2001:558:210::
Range To 2001:558:21f:ffff:ffff:ffff:ffff:ffff
Prefix 2001:558:5020::/48
Range From 2001:558:5020::
Range To 2001:558:5020:ffff:ffff:ffff:ffff:ffff
Prefix 2001:558:6012::/48
Range From 2001:558:6012::
Range To 2001:558:6012:ffff:ffff:ffff:ffff:ffff
Prefix 2001:558:6037::/48
Range From 2001:558:6037::
Range To 2001:558:6037:ffff:ffff:ffff:ffff:ffff
Prefix 2001:558:6046::/48
Range From 2001:558:6046::
Range To 2001:558:6046:ffff:ffff:ffff:ffff:ffff
Prefix 2001:558:fe2b::/48
Range From 2001:558:fe2b::
Range To 2001:558:fe2b:ffff:ffff:ffff:ffff:ffff
Prefix 2001:558:fe32::/48
Range From 2001:558:fe32::
Range To 2001:558:fe32:ffff:ffff:ffff:ffff:ffff
Prefix 2001:559:123::/48
Range From 2001:559:123::
Range To 2001:559:123:ffff:ffff:ffff:ffff:ffff
Prefix 2001:559:13c::/48
Range From 2001:559:13c::
Range To 2001:559:13c:ffff:ffff:ffff:ffff:ffff
Showing 10 of 86 Results View More >