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ASN Lookup Tool
AS33665 CMCS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS33665
Organisation
Comcast Cable Communications, LLC
Name
CMCS
Total IPv4 Addresses
110,848
Total IPv4 Prefixes
44
Total IPv6 Prefixes
7
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,869 out of 79,045
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2005-02-16
Registration Last Change
2021-01-25
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS7922
US flagComcast Cable Communications, LLC
Transit To

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

 

ASN
Organisation
AS400973
US flagUNIVERSAL HEALTH SERVICES
AS21761
US flagClub Car, LLC
IPv4 Active Prefixes

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

Prefix23.31.120.0/22
Range From23.31.120.0
Range To23.31.123.255
Prefix50.76.144.0/22
Range From50.76.144.0
Range To50.76.147.255
Prefix50.184.160.0/22
Range From50.184.160.0
Range To50.184.163.255
Prefix50.193.240.0/22
Range From50.193.240.0
Range To50.193.243.255
Prefix50.244.88.0/22
Range From50.244.88.0
Range To50.244.91.255
Showing 5 of 44
IPv6 Active Prefixes
Prefix2001:558:360::/44
Range From2001:558:360::
Range To2001:558:36f:ffff:ffff:ffff:ffff:ffff
Prefix2001:558:fe3c::/48
Range From2001:558:fe3c::
Range To2001:558:fe3c:ffff:ffff:ffff:ffff:ffff
Prefix2001:559:8281::/48
Range From2001:559:8281::
Range To2001:559:8281:ffff:ffff:ffff:ffff:ffff
Prefix2001:559:868b::/48
Range From2001:559:868b::
Range To2001:559:868b:ffff:ffff:ffff:ffff:ffff
Prefix2601:100::/26
Range From2601:100::
Range To2601:13f:ffff:ffff:ffff:ffff:ffff:ffff
Showing 5 of 7