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ASN Lookup Tool
AS33657 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.

ASN Lookup for:

AS33657

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

ASN Details

ASN
AS33657
Organisation
Comcast Cable Communications, LLC
AS Name
CMCS
IPv4 Addresses Announced
3,022,211
IPv4 Prefixes Announced
233
IPv6 Prefixes Announced
375
IPv4 Bogon Prefixes
0
IPv6 Bogon Prefixes
0
IPv4 Space Rank
#163 out of 75,465
Registry
Arin
Registered Country
US flag US
Registration Date
2005-02-16
Registration Change
2021-01-25

Receiving From

ASN
Organisation
ASN
AS7018
Organisation
US flag AT&T Services, Inc.
ASN
AS3320
Organisation
DE flag Deutsche Telekom AG
ASN
AS3356
Organisation
US flag Level 3 Parent, LLC
ASN
AS7922
Organisation
US flag Comcast Cable Communications, LLC
ASN
AS209
Organisation
US flag CenturyLink Communications, LLC
ASN
AS1239
Organisation
US flag Sprint
ASN
AS2914
Organisation
US flag NTT America, Inc.
ASN
AS3257
Organisation
US flag GTT Communications Inc.
ASN
AS7713
Organisation
ID flag Telekomunikasi Indonesia (PT)
ASN
AS6830
Organisation
ZZ flag Liberty Global B.V.
Showing 10 of 75 Results View More >

Transit To

ASN
Organisation
ASN
AS834
Organisation
US flag IPXO LLC
ASN
AS29
Organisation
US flag Yale University
ASN
AS11131
Organisation
US flag University of Maryland Baltimore County (UMBC)
ASN
AS77
Organisation
US flag Johns Hopkins University Applied Physics Laborat..
ASN
AS30641
Organisation
US flag STATE OF DELAWARE
ASN
AS2384
Organisation
US flag Architect of the Capitol
ASN
AS33170
Organisation
US flag Morgan State University
ASN
AS3705
Organisation
US flag U.S. Government Publishing Office
ASN
AS27336
Organisation
US flag Sentara Healthcare
ASN
AS32073
Organisation
US flag Montgomery County Public Schools
Showing 10 of 126 Results View More >

Active Prefixes IPv4

Prefix
Range From
Range To
Prefix
107.1.101.0/24
Range From
107.1.101.0
Range To
107.1.101.255
Prefix
107.180.128.0/22
Range From
107.180.128.0
Range To
107.180.131.255
Prefix
107.180.132.0/22
Range From
107.180.132.0
Range To
107.180.135.255
Prefix
154.22.84.0/22
Range From
154.22.84.0
Range To
154.22.87.255
Prefix
154.22.88.0/21
Range From
154.22.88.0
Range To
154.22.95.255
Prefix
162.151.60.0/23
Range From
162.151.60.0
Range To
162.151.61.255
Prefix
162.151.74.0/23
Range From
162.151.74.0
Range To
162.151.75.255
Prefix
162.151.98.0/23
Range From
162.151.98.0
Range To
162.151.99.255
Prefix
162.17.192.0/19
Range From
162.17.192.0
Range To
162.17.223.255
Prefix
173.10.0.0/21
Range From
173.10.0.0
Range To
173.10.7.255
Showing 10 of 233 Results View More >

Active Prefixes IPv6

Prefix
Range From
Range To
Prefix
2001:558:2f0::/44
Range From
2001:558:2f0::
Range To
2001:558:2ff:ffff:ffff:ffff:ffff:ffff
Prefix
2001:558:340::/44
Range From
2001:558:340::
Range To
2001:558:34f:ffff:ffff:ffff:ffff:ffff
Prefix
2001:558:fe06::/47
Range From
2001:558:fe06::
Range To
2001:558:fe07:ffff:ffff:ffff:ffff:ffff
Prefix
2001:559:110::/48
Range From
2001:559:110::
Range To
2001:559:110:ffff:ffff:ffff:ffff:ffff
Prefix
2001:559:119::/48
Range From
2001:559:119::
Range To
2001:559:119:ffff:ffff:ffff:ffff:ffff
Prefix
2001:559:136::/48
Range From
2001:559:136::
Range To
2001:559:136:ffff:ffff:ffff:ffff:ffff
Prefix
2001:559:16a::/48
Range From
2001:559:16a::
Range To
2001:559:16a:ffff:ffff:ffff:ffff:ffff
Prefix
2001:559:1af::/48
Range From
2001:559:1af::
Range To
2001:559:1af:ffff:ffff:ffff:ffff:ffff
Prefix
2001:559:1e1::/48
Range From
2001:559:1e1::
Range To
2001:559:1e1:ffff:ffff:ffff:ffff:ffff
Prefix
2001:559:1e7::/48
Range From
2001:559:1e7::
Range To
2001:559:1e7:ffff:ffff:ffff:ffff:ffff
Showing 10 of 375 Results View More >