ColoMap

Zayo (AS6461)

539 colocation facilities on-net · across 77 metros · IP transit / backbone

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Zayo Group (AS6461) operates a Tier 1 IP backbone over its own fibre, spanning more than 240,000 route miles and 400 markets worldwide, with roughly 90,000 on-net locations in North America and connections into over 1,900 data centres. Its network services include IP transit, dedicated Internet access, Ethernet, wavelengths, dark fibre, cloud connectivity and DDoS protection, with European service now delivered by the separately held Zayo Europe.

Zayo sold its own colocation estate in 2020, so AS6461 is bought almost entirely inside third-party carrier-neutral facilities — which is where its metro and long-haul fibre usually already terminates. IP transit and dedicated Internet are delivered on 100 Mbps through 100 Gbps ports, aggregated as Nx100G where a single port is not enough, with BGP, default or static routing and dual-stack IPv4 and IPv6. That suits a colocation customer pairing Internet access with private transport between sites on the same supplier.

Zayo (AS6461) is on-net at 539 colocation facilities in the ColoMap directory.

Top metros where Zayo (AS6461) is reachable: London, GB, Washington, DC, US, Dallas, TX, US, Frankfurt, DE, Santa Clara, CA, US.

Use the directory below to find a facility on-net with Zayo (AS6461), or request a quote tailored to your connectivity requirements.

Zayo (AS6461) at a Glance

AS number AS6461
Network type Global fibre infrastructure operator and bandwidth wholesaler
Ownership Zayo Group Holdings, private, backed by DigitalBridge and EQT
Network scale 240,000+ route miles worldwide, 400+ markets, 90,000 on-net locations in North America, 1,900+ data centres reached, European operations held separately as Zayo Europe
Services Dark fibre wavelengths IP transit dedicated internet access Ethernet cloud on-ramps DDoS protection managed SD-WAN SASE
Port speeds IP transit 100 Mbps to 100 Gbps with Nx100G aggregation, Ethernet to 100G, wavelengths to 400G
Routing BGP, default or static, dual-stack IPv4 and IPv6, LACP
DDoS mitigation Sold as a separate subscription, not bundled with transit
SLA 99.9% unprotected, 99.95% protected availability
Peering policy Restrictive, ratio and contract required, no route servers, AS-SET AS-MFNX
Also known as AboveNet, MFNX

Top metros where Zayo (AS6461) is on-net

Operators co-located with Zayo (AS6461)

  • Digital Realty 108
  • Equinix 80
  • DataBank 45
  • QTS Data Centers 29
  • CoreSite 19
  • Cologix 16
  • CyrusOne Data Centers 16
  • Csquare 11

Facilities on-net with Zayo (AS6461)

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