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.

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ASN Details

ASN
AS21508
Organisation
Comcast Cable Communications, LLC
AS Name
COMCAST-21508
IPv4 Addresses Announced
1,248,463
IPv4 Prefixes Announced
163
IPv6 Prefixes Announced
94
IPv4 Bogon Prefixes
0
IPv6 Bogon Prefixes
0
IPv4 Space Rank
#323 out of 75,565
Registry
Arin
Registered Country
US
Registration Date
2001-05-16
Registration Change
2021-01-25

Receiving From

ASN
Organisation
Comcast Cable Communications, LLC

Transit To

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