Colt IP Transit
Colt delivers IP Transit with unrivalled reach and performance. As one of the world’s leading backbone providers, we give customers direct access to the full global Internet routing table with fast, resilient and predictable connectivity for content, applications and end-users.
Reliable & scalable high performance connectivity
Colt’s IP Transit is for Internet service providers (ISPs), content providers and customers who require high bandwidth and operate their own Internet network with an autonomous system number (ASN), are multihomed to multiple other networks (IP Transit and peering) or require a BGP route advertisement (typically a full Internet routing table).
AS3356
We jointly operate the most extensively peered global network
AS8220
We're in north america, asia pacific and beyond with our ip backbone
60%+
of traffic that starts on our network never leaves it, giving us unmatched control
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Why colt?
We deliver the extraordinary every day for our customers, people and partners. Here’s what sets us apart.
An industry leader
Our IP services combine proven performance with global internet reach and scalability. We operate a vast IP backbone, enabling us to offer customers proven service, even for standard requirements. From low to high speeds, our IP services are designed to deliver maximum performance in virtually any location

PERFORMANCE
Bandwidth that's dedicated to your business, supporting real-time applications. As a vastly connected ISP, you can reach destinations faster via our global network with fewer hops.
Data Centres
Unparalleled access to key infrastructure hubs, enabling seamless integration with cloud providers, carrier hotels and enterprise facilities.

FAQs
An IP Transit service is where an Internet Service Provider (ISP) allows traffic to cross its network to reach a destination. To access all Internet routes, you would need to connect to each autonomous system. Data travelling from the ISP providing the service from the customer is often referred to ‘going upstream’, whereas data going to the customer is ‘going downstream’.
Yes. Colt acquired the European network assets from Lumen and jointly owns AS3356, the most peered network in the world. This makes Colt the largest pure B2B digital infrastructure company in Europe.
Our IP backbone architecture is built on two complementary AS networks with terabit interconnectivity:
· AS3356, our Transit free backbone delivering extensive coverage and deep peering across EMEA
· AS8220, a highly connected, strategically peered network delivering performance and reach across North America and Asia
IP Transit is provided via AA3356, the ‘world number1 ranked network’ according to the Centre of Applied Internet Data Analysis(CIADA), AS Rank: A ranking of the largest autonomous Systems (AS) in the Internet
Regional ISPs with users consuming digital content; content providers delivering content to regional ISPs; hosting providers needing IP transit for their customer assets; or video game companies looking to optimise end-user experience.
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