Autonomous system
AS33667
CMCS - Comcast Cable Communications, LLC, US
Residential ISP
Traffic from this network is treated as ordinary consumer broadband, operated by Comcast Xfinity. It attracts the least automated friction of any category.
ASN
AS33667
Operator
CMCS - Comcast Cable Communications, LLC, US
Registry country
🇺🇸 United States
Registry
ARIN
Allocated
2005-02-16
Classification
Residential ISP
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Resolved live from the Team Cymru ASN mapping service over DNS-over-HTTPS at request time, so the operator name and allocation reflect current registry data. Classification is ours, derived from a curated table checked against the RIPE NCC asnames registry.