How many colocation facilities are on-net with BT (AS5400)?

BT (AS5400) (AS5400) is on-net at 236 colocation facilities listed on ColoMap.

Which metros have BT (AS5400) connectivity?

BT (AS5400) is reachable in metros including Frankfurt, DE, London, GB, Amsterdam, NL, Stockholm, SE, Washington, DC, US, Santa Clara, CA, US.

How do I order colocation with BT (AS5400) connectivity?

Pick any facility on this page and use its Get a Quote form. We'll route your request to the operator and arrange the cross-connect to BT (AS5400).

BT (AS5400)

236 colocation facilities on-net · across 64 metros · IP transit / backbone

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AS5400 is BT's international IP backbone, operated by BT Business and separate from the autonomous systems carrying its UK access network. It runs Internet Connect Global and BT Wholesale dedicated Internet access, and underpins IP Connect Global, the MPLS IP VPN BT reaches more than 200 countries with through over 5,000 points of presence. Alongside Internet service BT sells Ethernet private line and E-LAN, optical wavelengths, cloud connectivity, SD-WAN and SASE, with DDoS protection as an option.

In a colocation context AS5400 is most often the Internet or VPN handoff for a multinational already buying managed wide-area networking from BT, rather than a wholesale transit purchase made on price. Internet access on the network is published at Ethernet speeds up to 10G, with BGP available to customers running their own AS number, a documented community set for announcement control, and RPKI-invalid prefixes rejected. It fits enterprises consolidating global sites, in-country support and voice onto a single incumbent supplier.

BT (AS5400) is on-net at 236 colocation facilities in the ColoMap directory.

Top metros where BT (AS5400) is reachable: Frankfurt, DE, London, GB, Amsterdam, NL, Stockholm, SE, Washington, DC, US.

Use the directory below to find a facility on-net with BT (AS5400), or request a quote tailored to your connectivity requirements.

BT (AS5400) at a Glance

AS number	AS5400
Network type	Incumbent operator international IP backbone
Ownership	BT Group plc, listed; Bharti Enterprises 24.5% since August 2024, Deutsche Telekom 12%
Network scale	International backbone AS, separate from AS2856 (UK) and AS3300 (Infonet), carries Internet Connect Global and BT Wholesale DIA, 5,000+ PoPs and 200+ countries on the global VPN platform
Services	IP transit dedicated internet access Ethernet private line and E-LAN MPLS IP VPN optical wavelengths cloud connectivity SD-WAN SASE DDoS protection
Port speeds	Internet access on Ethernet up to 10G, wholesale optical to 400 Gbps
Routing	BGP with published announcement and prepend communities, IPv4 and IPv6, RPKI-invalid prefixes rejected
DDoS mitigation	Optional add-on on Internet services
Peering policy	Selective, minimum two geographically diverse interconnect sites, 1 GbE minimum, AS-SET AS-BT-EU
Also known as	British Telecom

Top metros where BT (AS5400) is on-net

Operators co-located with BT (AS5400)

Digital Realty 67
Equinix 56
CoreSite 7
NTT DATA, Inc. 5
Teraco 5
Cologix 3
NEXTDC 3
STT GDC India 3

Facilities on-net with BT (AS5400)

View all 236 on the map →

Weismüllerstrasse 38 (FRA10)

Weismüllerstrasse 38, Frankfurt, 60314, DE

Metro: Frankfurt, DE
Weismüllerstrasse 1 (FRA15)

Weismüllerstrasse 1, Frankfurt, 60314, DE

Metro: Frankfurt, DE
11-13 avenue des Arts et Metiers (PAR5)

11-13 avenue des Arts et Metiers, Saint-Denis, Paris, 93200, FR

Metro: Paris, FR
40 avenue Roger Salengro (MRS1)

40 avenue Roger Salengro, Marseille, 13003, FR

Metro: Marseille, FR
ETIX Lyon #1

81 Bd du Parc d'Artillerie, Lyon, 69007, FR

Metro: Vénissieux, Auvergne Rhône Alpes, FR
In der Steele 39-45 (DUS2)

In der Steele 39-45, Dusseldorf, 40599, DE

Metro: Düsseldorf, DE
In der Steele 25-45 (DUS1)

In der Steele 25-45, Dusseldorf, 40599, DE

Metro: Düsseldorf, DE
Equinix ML2

Via Savona, 125, Milan, 20144, IT

Metro: Milan, Italy, IT
GDC – Berlin 1 Data Center

Nonnendammallee 15, Berlin, 13599, DE

Metro: Berlin, DE
Equinix LD14

11 Banbury Ave, Slough, SL1 4LH, GB

Metro: London, GB

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