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ASN Lookup Tool
AS33666 CMCS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS33666
Organisation
Comcast Cable Communications, LLC
Name
CMCS
Total IPv4 Addresses
244,224
Total IPv4 Prefixes
90
Total IPv6 Prefixes
10
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#993 out of 79,006
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
AS13335
US flagCloudflare, Inc.
AS7970
US flagLeon County School District
AS1830
US flagGulf Coast State College
AS6914
US flagHayes Computer Systems
AS54248
US flagSchool Board of Gadsden County
Showing 5 of 6
IPv4 Active Prefixes
PrefixRange FromRange To
23.25.176.0/2123.25.176.023.25.183.255
23.30.192.0/2123.30.192.023.30.199.255
24.153.90.0/2324.153.90.024.153.91.255
50.77.32.0/2150.77.32.050.77.39.255
50.185.32.0/2050.185.32.050.185.47.255
Showing 5 of 90
IPv6 Active Prefixes
PrefixRange FromRange To
2001:558:240::/442001:558:240::2001:558:24f:ffff:ffff:ffff:ffff:ffff
2001:558:5012::/482001:558:5012::2001:558:5012:ffff:ffff:ffff:ffff:ffff
2001:558:6024::/482001:558:6024::2001:558:6024:ffff:ffff:ffff:ffff:ffff
2001:558:fe28::/482001:558:fe28::2001:558:fe28:ffff:ffff:ffff:ffff:ffff
2001:559:195::/482001:559:195::2001:559:195:ffff:ffff:ffff:ffff:ffff
Showing 5 of 10