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.

Data verified: 03/26/2026
Routing & Connectivity
AS Cone Rank#1
Known Peers6,619
Prefixes v4970
Prefixes v6138
IX Presence7+IXPs
RPKI ROVenabled
Avg Path Length2.4
Downstream Peers6,587+
Source: bgp.toolsAvg path length derived from RouteViews (CC-BY 4.0)Verified 04/02/2026View live data on bgp.tools →
Operational Capabilities
BGP Communities
Granular
Per-peer prepend, blackhole, regional scoping, local preference, traffic engineering
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 03/26/2026View 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 03/26/2026View all peers on bgp.tools →
Routing Governance
RPKI ROA Coverage
~16%
of originated prefixes have valid ROAs
RPKI Route Origin Validation
enabled
Rejects RPKI-invalid routes
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
10 locations

Dallas, TX

1g10g100g
CoreSite DA1CoreSite
1g10g100g

Los Angeles, CA

CoreSite LA1CoreSite
1g10g100g
1g10g100g
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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