RAX

RAX (Rax.bg) is a Bulgarian web hosting, cloud, and colocation provider with operations centered on Sofia, Bulgaria. RAX states it began web hosting services in 2000 and started its business as a web hosting provider in February 2001, delivering cloud (public, private, hybrid), dedicated/bare-metal infrastructure, web hosting, and colocation services, with its Bulgaria cloud infrastructure physically located at Equinix SOF1 in Sofia.

⚙️ Facility Highlights

Data Center Footprint:

RAX states its physical and virtual data center is located in a telecommunication building owned by Equinix (Equinix Sofia 1 / Equinix SOF1), and its published colocation address is ul. 5030-ta 10, 1592 Druzhba District 1, Sofia, Bulgaria.

RAX positions this facility as a Tier 4 colocation location in Sofia (Equinix SOF1), with published availability positioning of 99.995% (virtually 100%) and A+B redundant power supply for colocation plans.

RAX also markets “colocation services in various data centers” across Europe, North America, and Asia, but specific facility ownership/operation outside the Bulgaria sites is Not publicly listed.

Facility Design & Infrastructure:

RAX publishes detailed power architecture for its Sofia facility, including minimum N+1 redundancy, A+B switchboards/distribution, and duplicated power-system elements (including UPS and diesel generator systems) designed in separate fire compartments.

RAX lists UPS/battery design details (two UPS groups with N+1 redundancy, battery backup time) and describes N+1 synchronized diesel generator backup.

RAX lists cooling equipment including redundant N+1 CRAC units (Stulz CyberAir2), redundant pumps, dry coolers, redundant monitoring/controls, and dual A+B power to components.

Service Portfolio Overview:

Colocation (Tier 4 colocation plans for 1U / 10U / 20U / 42U, with redundant A+B power, choice between many ISPs/networks, and 24/7/365 onsite support; RAX also markets custom colocation including lockable cabinet compartments and full cabinets).

Cloud Servers (Public Cloud Servers, Private Cloud, and Hybrid Infrastructure positioning, including High Availability options and failover/automated fault-tolerance add-ons).

Dedicated Hosting / Bare-Metal (bare-metal dedicated server offerings and “dedicated hosting” positioning).

Disaster Recovery Colocation / DRaaS (DR colocation and DRaaS positioning across Tier 2/3 in Plovdiv and Tier 4 in Sofia, with private network/VPN elements listed on DR plans).

Web Hosting (self-managed web hosting plus managed website/managed WordPress options).

Web Security & Domains (SSL certificates, website/app protection, and domain registration categories listed on the platform navigation).

🔐 Security & Compliance

Infrastructure Resilience:

RAX publishes colocation availability positioning of 99.995% and power redundancy design (A+B power), and states its services are covered by 24/7/365 onsite and remote NOC and technical support (unless otherwise specified).

RAX publishes facility-level redundancy details including N+1 design principles for power elements and cooling equipment as described on its data center page.

Physical & Logical Security:

RAX lists access/security controls including HID iClass access cards and 24/7 CCTV monitoring for DC rooms/doors.

RAX lists fire detection/suppression controls including BOSCH fire detection, laser-based VESDA, and a fire extinguishing system using NAF S 125 gas agent.

Compliance & Standards:

RAX’s colocation page lists the Sofia Tier 4 facility as certified to OHSAS 18001, ISO 14001:2004, ISO 9001-2008, ISO 27001, and ISO 50001.

🌐 Connectivity & Carrier Access

Carrier Neutrality:

RAX’s colocation materials position the environment around choice between many ISPs & networks and describe the facility as having multiple carrier points of presence.

Network Capabilities:

RAX states it operates its own IPv4/IPv6 Internet network using AS199364, is a RIPE member/LIR, and lists upstream connectivity/peering positioning (including references to major IX connectivity such as AMS-IX and DE-CIX).

RAX colocation plans list Internet port connectivity options (e.g., 1 GigE connectivity on standard plans) and bandwidth monitoring as part of the service plan structure.

Connectivity Use Cases:

Organizations colocating in Sofia that require A+B power, 24/7 support coverage, and selection among multiple ISPs/networks within the facility.

Customers deploying public/private/hybrid cloud workloads requiring HA/failover positioning and Bulgaria-based hosting.

Businesses building DR patterns using the Sofia Tier 4 facility and Plovdiv Tier 2/3 positioning as presented in RAX DR colocation materials.

💼 Who It Serves

Businesses requiring Bulgaria-based cloud and colocation services with facility positioning around high availability and redundant power.

Organizations needing DR colocation / DRaaS positioning using Sofia (Tier 4) and Plovdiv (Tier 2/3) options as described by RAX.

Customers seeking dedicated/bare-metal infrastructure and cloud servers (public/private/hybrid) from the RAX platform.