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ASN Lookup Tool
AS33661 CMCS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS33661
Organisation
Comcast Cable Communications, LLC
Name
CMCS
Total IPv4 Addresses
609,792
Total IPv4 Prefixes
164
Total IPv6 Prefixes
39
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#522 out of 79,171
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
2005-02-16
Registration Last Change
2021-01-25
Receiving From
ASN
Organisation
AS7922
US flagComcast Cable Communications, LLC
Transit To
ASN
Organisation
AS17035
US flagNBCUniversal
AS54119
US flagWhiteSky Communications, LLC.
AS63264
US flagAlternative Choice Wireless, LLC
AS30415
US flagSarasota County Government
AS6931
US flagRingling College of Art and Design
Showing 5 of 19
IPv4 Active Prefixes
PrefixRange FromRange To
23.31.176.0/2023.31.176.023.31.191.255
24.124.134.0/2324.124.134.024.124.135.255
50.78.212.0/2250.78.212.050.78.215.255
50.79.216.0/2250.79.216.050.79.219.255
50.184.164.0/2250.184.164.050.184.167.255
Showing 5 of 164
IPv6 Active Prefixes
PrefixRange FromRange To
2001:558:250::/442001:558:250::2001:558:25f:ffff:ffff:ffff:ffff:ffff
2001:558:2d0::/442001:558:2d0::2001:558:2df:ffff:ffff:ffff:ffff:ffff
2001:558:310::/442001:558:310::2001:558:31f:ffff:ffff:ffff:ffff:ffff
2001:558:4fef::/482001:558:4fef::2001:558:4fef:ffff:ffff:ffff:ffff:ffff
2001:558:500b::/482001:558:500b::2001:558:500b:ffff:ffff:ffff:ffff:ffff
Showing 5 of 39