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ASN Lookup Tool
AS33287 COMCAST-33287

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS33287
Organisation
Comcast Cable Communications, LLC
Name
COMCAST-33287
Total IPv4 Addresses
1,773,822
Total IPv4 Prefixes
175
Total IPv6 Prefixes
399
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#242 out of 77,536
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2004-11-16
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
Transit To

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

 

ASN
Organisation
AS395250
US flagBristol-Myers Squibb Company
AS34
US flagUniversity of Delaware
AS3778
US flagTemple University
AS22260
US flagThe Bank of New York Mellon Corporation
AS11911
US flagThe Bank of New York Mellon Corporation
Showing 5 of 146
IPv4 Active Prefixes

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

Prefix23.24.0.0/18
Range From23.24.0.0
Range To23.24.63.255
Prefix24.75.216.0/22
Range From24.75.216.0
Range To24.75.219.255
Prefix24.104.156.0/24
Range From24.104.156.0
Range To24.104.156.255
Prefix24.124.232.0/21
Range From24.124.232.0
Range To24.124.239.255
Prefix50.73.192.0/19
Range From50.73.192.0
Range To50.73.223.255
Showing 5 of 175
IPv6 Active Prefixes
Prefix2001:558:20::/44
Range From2001:558:20::
Range To2001:558:2f:ffff:ffff:ffff:ffff:ffff
Prefix2001:558:fe23::/48
Range From2001:558:fe23::
Range To2001:558:fe23:ffff:ffff:ffff:ffff:ffff
Prefix2001:558:fe2a::/48
Range From2001:558:fe2a::
Range To2001:558:fe2a:ffff:ffff:ffff:ffff:ffff
Prefix2001:559:30::/48
Range From2001:559:30::
Range To2001:559:30:ffff:ffff:ffff:ffff:ffff
Prefix2001:559:4b::/48
Range From2001:559:4b::
Range To2001:559:4b:ffff:ffff:ffff:ffff:ffff
Showing 5 of 399
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.