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ASN Lookup Tool
AS33653 CMCS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS33653
Organisation
Comcast Cable Communications, LLC
Name
CMCS
Total IPv4 Addresses
145,408
Total IPv4 Prefixes
42
Total IPv6 Prefixes
5
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,437 out of 79,083
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
IPv4 Active Prefixes
PrefixRange FromRange To
24.11.144.0/2024.11.144.024.11.159.255
50.197.226.0/2350.197.226.050.197.227.255
50.208.236.0/2450.208.236.050.208.236.255
50.208.238.0/2350.208.238.050.208.239.255
50.248.112.0/2350.248.112.050.248.113.255
Showing 5 of 42
IPv6 Active Prefixes
PrefixRange FromRange To
2001:558:50::/442001:558:50::2001:558:5f:ffff:ffff:ffff:ffff:ffff
2001:558:fe2c::/482001:558:fe2c::2001:558:fe2c:ffff:ffff:ffff:ffff:ffff
2601:500::/262601:500::2601:53f:ffff:ffff:ffff:ffff:ffff:ffff
2603:2500::/262603:2500::2603:253f:ffff:ffff:ffff:ffff:ffff:ffff
2603:301e::/322603:301e::2603:301e:ffff:ffff:ffff:ffff:ffff:ffff