BigDataCloud Logo

ASN Lookup Tool
AS33657 CMCS

Powered By:
ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS33657
Organisation
Comcast Cable Communications, LLC
Name
CMCS
Total IPv4 Addresses
18,432
Total IPv4 Prefixes
40
Total IPv6 Prefixes
331
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#6,612 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
AS209
US flagCenturyLink Communications, LLC
Transit To

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

 

ASN
Organisation
AS174
US flagCogent Communications
AS834
US flagIPXO LLC
AS29
US flagYale University
AS77
US flagJohns Hopkins University Applied Physics Laborat..
AS2384
US flagArchitect of the Capitol
Showing 5 of 132
IPv4 Active Prefixes

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

Prefix50.144.197.0/24
Range From50.144.197.0
Range To50.144.197.255
Prefix50.144.201.0/24
Range From50.144.201.0
Range To50.144.201.255
Prefix50.201.252.0/24
Range From50.201.252.0
Range To50.201.252.255
Prefix50.202.117.0/24
Range From50.202.117.0
Range To50.202.117.255
Prefix50.202.155.0/24
Range From50.202.155.0
Range To50.202.155.255
Showing 5 of 40
IPv6 Active Prefixes
Prefix2001:559:b::/48
Range From2001:559:b::
Range To2001:559:b:ffff:ffff:ffff:ffff:ffff
Prefix2001:559:48::/48
Range From2001:559:48::
Range To2001:559:48:ffff:ffff:ffff:ffff:ffff
Prefix2001:559:7a::/48
Range From2001:559:7a::
Range To2001:559:7a:ffff:ffff:ffff:ffff:ffff
Prefix2001:559:87::/48
Range From2001:559:87::
Range To2001:559:87:ffff:ffff:ffff:ffff:ffff
Prefix2001:559:a2::/48
Range From2001:559:a2::
Range To2001:559:a2:ffff:ffff:ffff:ffff:ffff
Showing 5 of 331
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.