BigDataCloud Logo

ASN Lookup Tool
AS33668 CMCS

Powered By:
ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS33668
Organisation
Comcast Cable Communications, LLC
Name
CMCS
Total IPv4 Addresses
2389429
Total IPv4 Prefixes
204
Total IPv6 Prefixes
57
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#192 out of 76,223
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
AS701
US flagVerizon Business
AS3320
DE flagDeutsche Telekom AG
AS3356
US flagLevel 3 Parent, LLC
AS7922
US flagComcast Cable Communications, LLC
AS174
US flagCogent Communications
Showing 5 of 17
Transit To

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

 

ASN
Organisation
AS20940
NL flagAkamai International B.V.
AS13335
US flagCloudflare, Inc.
AS13325
US flagMichigan State Government
AS16758
US flagRicoh USA, Inc.
AS63102
US flagMichigan Education Special Services Association
Showing 5 of 87
IPv4 Active Prefixes

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

Prefix107.0.213.0/24
Range From107.0.213.0
Range To107.0.213.255
Prefix107.4.0.0/17
Range From107.4.0.0
Range To107.4.127.255
Prefix107.5.0.0/16
Range From107.5.0.0
Range To107.5.255.255
Prefix157.240.130.0/24
Range From157.240.130.0
Range To157.240.130.255
Prefix157.240.135.0/24
Range From157.240.135.0
Range To157.240.135.255
Showing 5 of 204
IPv6 Active Prefixes
Prefix2001:558:110::/44
Range From2001:558:110::
Range To2001:558:11f:ffff:ffff:ffff:ffff:ffff
Prefix2001:558:500e::/48
Range From2001:558:500e::
Range To2001:558:500e:ffff:ffff:ffff:ffff:ffff
Prefix2001:558:6007::/48
Range From2001:558:6007::
Range To2001:558:6007:ffff:ffff:ffff:ffff:ffff
Prefix2001:558:fe10::/47
Range From2001:558:fe10::
Range To2001:558:fe11:ffff:ffff:ffff:ffff:ffff
Prefix2001:559:15c::/48
Range From2001:559:15c::
Range To2001:559:15c:ffff:ffff:ffff:ffff:ffff
Showing 5 of 57
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.