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Autonomous System

AS3356 — Lumen Technologies (Level 3)

Transit
Organization
Lumen Technologies (Level 3)
ASN
AS3356
Country
United States
Category
Tier-1 Transit

By: Katia Belokon · Updated June 2026

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What is AS3356 — Lumen Technologies (Level 3)?

AS3356 is operated by Lumen Technologies (formerly Level 3 Communications), one of the largest tier-1 internet backbone providers. Level 3 provides global IP transit, MPLS, and dark fiber services to enterprises and carriers.

Privacy note

AS3356 appears in routing data and traceroutes for traffic that transits Lumen's backbone. Many ISPs and hosting providers use Level 3 / Lumen for backbone connectivity.

Check IPs in AS3356 with MyIPScan tools

IP Geolocation LookupSee country, city, ISP, and ASN details for any IP address. IP Blacklist CheckerCheck if an IP appears on major spam and abuse blocklists. WHOIS LookupGet registrar and ownership information for this IP block. DNS LookupLook up PTR records and DNS data for specific IPs. DNS Leak TestCheck which DNS resolvers your browser is using right now. VPN Leak TestVerify your VPN is routing all traffic correctly. What Is an ASN?How autonomous systems identify networks.Lumen (Level 3) IP rangesAnnounced prefixes for this network.

Frequently asked questions about AS3356

Who owns AS3356?

AS3356 is registered to Lumen Technologies (Level 3), a Tier-1 Transit network based in United States.

What type of network is AS3356?

AS3356 is classified as a Tier-1 Transit. This type of network is responsible for routing traffic within its allocated IP address ranges.

How do I investigate IPs in AS3356?

Use MyIPScan's IP Geolocation Lookup, WHOIS Lookup, or IP Blacklist Checker. You can also look up AS3356 in public BGP databases such as bgp.he.net.

Related networks

Other transit and backbone autonomous systems.

AS6453 — Tata Communications (America)Transit · United States.AS3257 — GTT CommunicationsTransit · United States.AS6461 — Zayo BandwidthTransit · United States.AS174 — Cogent CommunicationsTier-1 Transit · United States.AS6939 — Hurricane Electric LLCTransit / IPv6 Tunnel Broker · United States.

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