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ASN Lookup Tool
AS33491 COMCAST-33491

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS33491
Organisation
Comcast Cable Communications, LLC
Name
COMCAST-33491
Total IPv4 Addresses
3,130,368
Total IPv4 Prefixes
343
Total IPv6 Prefixes
254
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#148 out of 79,054
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
AS7018
US flagAT&T Enterprises, LLC
AS7922
US flagComcast Cable Communications, LLC
AS3356
US flagLevel 3 Parent, LLC
AS174
US flagCogent Communications
Transit To

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

 

ASN
Organisation
AS17
US flagPurdue University
AS19855
US flagMasergy Communications, Inc.
AS103
US flagNorthwestern University
AS33442
US flagZebra Technologies Corporation
AS20452
US flagBALL STATE UNIVERSITY
Showing 5 of 249
IPv4 Active Prefixes

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

Prefix23.25.0.0/18
Range From23.25.0.0
Range To23.25.63.255
Prefix23.177.32.0/24
Range From23.177.32.0
Range To23.177.32.255
Prefix24.1.0.0/16
Range From24.1.0.0
Range To24.1.255.255
Prefix24.12.0.0/14
Range From24.12.0.0
Range To24.15.255.255
Prefix24.104.47.0/24
Range From24.104.47.0
Range To24.104.47.255
Showing 5 of 343
IPv6 Active Prefixes
Prefix2001:558:300::/44
Range From2001:558:300::
Range To2001:558:30f:ffff:ffff:ffff:ffff:ffff
Prefix2001:558:320::/44
Range From2001:558:320::
Range To2001:558:32f:ffff:ffff:ffff:ffff:ffff
Prefix2001:558:3b0::/44
Range From2001:558:3b0::
Range To2001:558:3bf:ffff:ffff:ffff:ffff:ffff
Prefix2001:558:5005::/48
Range From2001:558:5005::
Range To2001:558:5005:ffff:ffff:ffff:ffff:ffff
Prefix2001:558:5007::/48
Range From2001:558:5007::
Range To2001:558:5007:ffff:ffff:ffff:ffff:ffff
Showing 5 of 254