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ASN Lookup Tool
AS33667 CMCS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS33667
Organisation
Comcast Cable Communications, LLC
Name
CMCS
Total IPv4 Addresses
969,472
Total IPv4 Prefixes
199
Total IPv6 Prefixes
70
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#379 out of 79,177
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
Registration Last Change
2021-01-25
Receiving From
ASN
Organisation
AS7922
US flagComcast Cable Communications, LLC
AS3356
US flagLevel 3 Parent, LLC
Transit To
ASN
Organisation
AS204662
FR flagHarmonic France SAS
AS20940
NL flagAkamai International B.V.
AS6461
US flagZayo Bandwidth
AS13335
US flagCloudflare, Inc.
AS1226
US flagCalifornia Department of Technology
Showing 5 of 154
IPv4 Active Prefixes
PrefixRange FromRange To
5.182.186.0/245.182.186.05.182.186.255
5.182.193.0/245.182.193.05.182.193.255
5.182.194.0/245.182.194.05.182.194.255
5.182.195.0/245.182.195.05.182.195.255
9.142.96.0/199.142.96.09.142.127.255
Showing 5 of 199
IPv6 Active Prefixes
PrefixRange FromRange To
2001:558:1a0::/442001:558:1a0::2001:558:1af:ffff:ffff:ffff:ffff:ffff
2001:558:210::/442001:558:210::2001:558:21f:ffff:ffff:ffff:ffff:ffff
2001:558:5020::/482001:558:5020::2001:558:5020:ffff:ffff:ffff:ffff:ffff
2001:558:6012::/482001:558:6012::2001:558:6012:ffff:ffff:ffff:ffff:ffff
2001:558:6037::/482001:558:6037::2001:558:6037:ffff:ffff:ffff:ffff:ffff
Showing 5 of 70