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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
247
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#150 out of 79,141
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
Registration Last Change
2021-01-25
Receiving From
ASN
Organisation
AS7018
US flagAT&T Enterprises, LLC
AS7922
US flagComcast Cable Communications, LLC
AS3356
US flagLevel 3 Parent, LLC
Transit To
ASN
Organisation
AS19855
US flagMasergy Communications, Inc.
AS103
US flagNorthwestern University
AS33442
US flagZebra Technologies Corporation
AS20452
US flagBALL STATE UNIVERSITY
AS25978
US flagRush University Medical Center
Showing 5 of 252
IPv4 Active Prefixes
PrefixRange FromRange To
23.25.0.0/1823.25.0.023.25.63.255
23.177.32.0/2423.177.32.023.177.32.255
24.1.0.0/1624.1.0.024.1.255.255
24.12.0.0/1424.12.0.024.15.255.255
24.104.47.0/2424.104.47.024.104.47.255
Showing 5 of 343
IPv6 Active Prefixes
PrefixRange FromRange To
2001:558:300::/442001:558:300::2001:558:30f:ffff:ffff:ffff:ffff:ffff
2001:558:320::/442001:558:320::2001:558:32f:ffff:ffff:ffff:ffff:ffff
2001:558:3b0::/442001:558:3b0::2001:558:3bf:ffff:ffff:ffff:ffff:ffff
2001:558:5005::/482001:558:5005::2001:558:5005:ffff:ffff:ffff:ffff:ffff
2001:558:5007::/482001:558:5007::2001:558:5007:ffff:ffff:ffff:ffff:ffff
Showing 5 of 247