Lumen Technologies

AS3356
Tier 1 Carrier/ISPTransit-Freewww.lumen.com→

Lumen Technologies operates one of the world's most interconnected networks, ranking #1 globally by AS cone size. Built on the former Level 3 Communications backbone (acquired by CenturyLink in 2017, rebranded Lumen in 2020), the network spans North America, Europe, Latin America, and Asia-Pacific. Lumen provides IP transit, dedicated internet, SD-WAN, cloud connectivity, and managed security services to enterprise, government, and wholesale customers.

Overview written: 03/26/2026
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Routing & Connectivity
AS Cone Rank#1
Known Peers6,562
Prefixes v4904
Prefixes v6127
IX Presence7+IXPs
RPKI ROVdisabled
Avg Path Length2.4
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
Granular
blackhole, prepend
Flowspec
Supported
RTBH
Supported
IPv6
Native dual-stack
Port Sizes
1G – 100G
Commit Model
Burstable (95th percentile) and committed data rate
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
~16%
of originated prefixes have valid ROAs
RPKI Route Origin Validation
disabled
IRR Records
RADB + ARIN
~1,027 route objects registered
DDoS Mitigation
Advanced (Black Lotus Labs threat intelligence, DDoS scrubbing service, RTBH, Flowspec)
RPKI: bgp.toolsIRR: IRR ExplorerVerified 04/02/2026
Facility Presence

Building-level presence for Lumen Technologies isn’t mapped on Peerfloor yet.

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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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Lumen Technologies Looking Glass
Live route lookup from Lumen Technologies’s routers
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Lumen Technologies Website
Product pages, SLA terms, BGP community docs
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Operator Reviews

No reviews yet. Be the first operator to review Lumen Technologies.

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

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