AT&T

AS7018
Tier 1 Carrier/ISPTransit-Freewww.att.com/business/enterprise →

AT&T operates one of the United States' largest Tier 1 IP backbone networks, ranked #20 for AS cone globally with 2,179 direct BGP peers and 2,059 downstream networks. AS7018 represents AT&T's enterprise and wholesale IP backbone—one of the foundational networks of the modern internet. The network provides IP transit, dedicated internet, SD-WAN, and managed security services to enterprises, carriers, and government customers, with RPKI ROV validation enabled.

Data verified: 04/04/2026
Routing & Connectivity
AS Cone Rank#20
Known Peers2,170
Prefixes v4666
Prefixes v615
IX Presence—
RPKI ROVenabled
Avg Path Length—
Downstream Peers2,059+
Source: bgp.toolsAvg path length derived from RouteViews (CC-BY 4.0)Verified 04/05/2026View live data on bgp.tools →
Operational Capabilities
BGP Communities
None
Flowspec
Not supported
RTBH
Supported
IPv6
Native dual-stack
Port Sizes
1G – 100G
Commit Model
Flat-rate and burstable (95th percentile)
Source: Carrier documentationCarrier-sourcedVerified 04/04/2026View 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
No direct peer
Cloudflare
AS13335
Direct peer
Source: bgp.tools adjacency dataAdjacency only — no quality assessmentVerified 04/04/2026View all peers on bgp.tools →
Routing Governance
RPKI ROA Coverage
—
RPKI Route Origin Validation
enabled
Rejects RPKI-invalid routes
IRR Records
ARIN
DDoS Mitigation
Basic (RTBH only; no public scrubbing service documented)
RPKI: bgp.toolsIRR: IRR ExplorerVerified 04/04/2026
Facility Presence

No facility presence data available yet.

Verify This Data
bgp.tools
Live routing metrics, communities, RPKI
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PeeringDB
Peering policy, facilities, NOC contacts
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CAIDA AS Rank
Customer cone, provider/peer relationships
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RIPEstat
Routing history, BGP updates, path analysis
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bgp.he.net
Prefix list, peers, IX participation, IRR
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IRR Explorer
IRR objects, RPKI comparison, origin validation
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AT&T Website
Product pages, SLA terms, BGP community docs
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Operator Reviews

No reviews yet. Be the first operator to review AT&T.

Reviews cover 7 dimensions: Provisioning, Performance, NOC Support, BGP Quality, Billing, Contracts, Account Management.

Community Intelligence
Operator experiences, peering dynamics, and discussion threads about AT&T — contributed by the community
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