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ASN Lookup Tool
AS33490 COMCAST-33490

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS33490
Organisation
Comcast Cable Communications, LLC
Name
COMCAST-33490
Total IPv4 Addresses
338171
Total IPv4 Prefixes
190
Total IPv6 Prefixes
95
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#760 out of 77,309
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2004-12-30
Registration Last Change
2021-01-25
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS3356
US flagLevel 3 Parent, LLC
AS7922
US flagComcast Cable Communications, LLC
AS6423
US flagDigital Fortress
Transit To

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

 

ASN
Organisation
AS399652
US flagAcumed, LLC
AS13335
US flagCloudflare, Inc.
AS22463
US flagCDK Global, LLC
AS13541
US flagSiemens Industry Software Inc.
AS11995
US flagOregon Health & Science University
Showing 5 of 67
IPv4 Active Prefixes

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

Prefix23.24.240.0/20
Range From23.24.240.0
Range To23.24.255.255
Prefix24.20.112.0/21
Range From24.20.112.0
Range To24.20.119.255
Prefix24.20.164.0/22
Range From24.20.164.0
Range To24.20.167.255
Prefix24.20.200.0/21
Range From24.20.200.0
Range To24.20.207.255
Prefix24.21.60.0/22
Range From24.21.60.0
Range To24.21.63.255
Showing 5 of 190
IPv6 Active Prefixes
Prefix2001:558:f0::/44
Range From2001:558:f0::
Range To2001:558:ff:ffff:ffff:ffff:ffff:ffff
Prefix2001:558:501f::/48
Range From2001:558:501f::
Range To2001:558:501f:ffff:ffff:ffff:ffff:ffff
Prefix2001:558:6025::/48
Range From2001:558:6025::
Range To2001:558:6025:ffff:ffff:ffff:ffff:ffff
Prefix2001:558:fe00::/47
Range From2001:558:fe00::
Range To2001:558:fe01:ffff:ffff:ffff:ffff:ffff
Prefix2001:559:4::/48
Range From2001:559:4::
Range To2001:559:4:ffff:ffff:ffff:ffff:ffff
Showing 5 of 95
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.