ASN Lookup Tool
AS21508 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 Details

ASN
AS21508
Organisation
Comcast Cable Communications LLC
AS Name
COMCAST-21508
IPv4 Addresses Announced
1,183,232
IPv4 Prefixes Announced
161
Bogon Prefixes Announced
0
IPv4 Space Rank
#328 out of 74,594
Registry
ARIN
Registered Country
US flag US
Registration Date
2001-05-16
Registration Change
2021-01-25

Receiving From

ASN
Organisation
ASN
Organisation
US flag Comcast Cable Communications LLC

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US flag Comcast Cable Communications LLC
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Active Prefixes

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