Comcast Business

AS7922

Comcast Business provides IP transit and dedicated internet access leveraging Comcast Corporation's extensive US cable backbone and last-mile infrastructure. Operating under AS7922, the network is the largest residential and business broadband provider in the United States by subscriber count, with AS cone rank #36 globally. Comcast purchases upstream transit from multiple Tier 1 providers and delivers internet services primarily to enterprise, SMB, and residential customers across the US.

Overview written: 03/26/2026
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Routing & Connectivity
AS Cone Rank#38
Known Peers241
Prefixes v4426
Prefixes v65
IX Presence0+IXPs
RPKI ROVdisabled
Avg Path Length2.8
Source: bgp.toolsbgp.tools verified 10/11/2026Avg path length from RouteViews (CC-BY 4.0, updated nightly)View live data on bgp.tools →
Operational Capabilities
BGP Communities
None
Flowspec
Not supported
RTBH
Not supported
IPv6
Native dual-stack
Port Sizes
100M – 10G
Commit Model
Flat-rate and burstable (95th percentile)
Source: Carrier documentationCarrier-sourcedVerified 04/05/2026View BGP communities on bgp.tools →
Content Provider Reach
10 providers tracked
Google
AS15169
Direct peer
Amazon/AWS
AS16509
Direct peer
Microsoft/Azure
AS8075
Direct peer
Meta
AS32934
Direct peer
Cloudflare
AS13335
Direct peer
Source: bgp.tools adjacency dataAdjacency only — no quality assessmentVerified 10/04/2026View all peers on bgp.tools →
Routing Governance
RPKI ROA Coverage
~99%
of originated prefixes have valid ROAs
RPKI Route Origin Validation
disabled
IRR Records
ARIN
~653 route objects registered
DDoS Mitigation
Basic (contact NOC; no public scrubbing service documented)
RPKI: bgp.toolsIRR: IRR ExplorerVerified 04/02/2026
Facility Presence

Building-level presence for Comcast Business isn’t mapped on Peerfloor yet.

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Community Intelligence
Operator experiences, peering dynamics, and discussion threads about Comcast Business— contributed by the community
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