C21

Name: C21
Address: Via Caldera 21, Milan, Italy, 20153, IT

Via Caldera 21, Milan, Italy, 20153, IT

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Country: Italy Region: Europe

Carriers on-net

Network ecosystem — 33 carriers on-net

5 Tier 1 & transit

2 Cloud

26 Regional & enterprise

Notable: Arelion (Twelve99) (AS1299) · Cogent Communications, Inc. (AS174) · Amazon.com (AS16509)

Show 3 more carriers

Unidata S.p.A. (AS5394)Xmatica (AS60475)Yahoo (AS10310)

C21 is a colocation data center located in Milan, Italy, IT.

The facility is connected to 33 network carriers, including Air2bite (AS35617), Airbeam (AS50877), Alibaba Cloud CDN (AS24429).

Request a quote for cabinet, cage, or custom colocation at C21 using the form below.

Colocation Packages

Package	Size	Power	Bandwidth	Price (USD/mo)	Term	Setup	Quote
42U Private Cabinet — 5 kW (208V A+B Redundant)	42U — Private	5 kW · 208V A+B					Request

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Frequently asked questions

Where is C21 located?

C21 is a colocation data center located at Via Caldera 21, Milan, Italy, IT.

How many carriers are on-net at C21?

C21 is connected to 33 networks, including Air2bite (AS35617), Airbeam (AS50877), Alibaba Cloud CDN (AS24429), Amazon.com (AS16509), ANIMASGR (AS56641).

How do I get a quote for colocation at C21?

Use the Request a Quote form on this page — enter your rack space and power needs and you'll typically receive pricing within 1–2 business days.