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AS7922 - Comcast Cable

One of the largest US broadband ASNs for residential access. Use this page as a quick ASN reference before deeper DNS, WHOIS, and routing checks.

At a glance

ASN
AS7922
Organization
Comcast Cable
Category
Residential ISP
Region
United States

How to use this ASN page

Use AS7922 as a routing anchor when investigating traceroutes, hosting ownership, or provider reputation. ASN pages work best when combined with live IP checks.

  • Map an IP to an ASN with the ASN lookup tool.
  • Check ownership context with WHOIS / RDAP.
  • Validate mail/security posture with blacklist checks.

Why AS7922 appears in lookups

IP ranges are announced through BGP by autonomous systems like AS7922. When you resolve an IP to ASN, you identify the network currently advertising that route.

AS7922 FAQ

What does AS7922 mean?
AS7922 is an autonomous system number used by BGP to identify a routing domain on the public internet.
Can one ASN announce many IP ranges?
Yes. Large providers typically announce many prefixes across regions and services.
Does ASN identify exact ownership of every IP?
Not always. ASN shows routing origin context, while WHOIS/RDAP provides registration-level ownership details.