# Virtuasys > European IaaS provider: IP transit, BGP peering, datacenter colocation (Paris, Lille), bare-metal, VPS, DDoS protection and IPv4/IPv6/ASN resources. ## Network - [Network Services (hub)](https://www.virtuasys.eu/en/network): Network services hub: fiber, transit, peering, interconnection on AS35661. - [Fiber Eligibility Check](https://www.virtuasys.eu/en/eligibility): Check FTTO/FTTE/FTTH availability at a business site address; no commitment. - [Enterprise Fiber (FTTO)](https://www.virtuasys.eu/en/network/enterprise-fiber): Dedicated FTTO/FTTE fiber, 100 Mbps-10 Gbps symmetric, 4h GTR, BGP session included. - [10 Gbps Enterprise Fiber](https://www.virtuasys.eu/en/network/10-gbps-enterprise-fiber): Dedicated symmetric 10 Gb/s FTTO, GTR 4h, BGP session included on AS35661. - [FTTO vs FTTH](https://www.virtuasys.eu/en/network/ftto-vs-ftth): Dedicated vs shared business fiber: architecture, rates, GTR compared. - [L2, Wavelength & Dark Fiber (LAN2LAN)](https://www.virtuasys.eu/en/network/l2-wavelength-dark-fiber): Point-to-point Layer 2, wavelength and dark fiber between sites. - [SD-WAN Solutions](https://www.virtuasys.eu/en/network/sdwan-solutions): Application-aware routing over fiber, MPLS and LTE with centralized management. - [MPLS Solutions](https://www.virtuasys.eu/en/network/mpls-solutions): Layer 2/3 VPN with guaranteed QoS for enterprise private networks. - [Multi-Site Connectivity](https://www.virtuasys.eu/en/network/multi-site-connectivity): MPLS, VPN and SD-WAN topology comparison for enterprise WANs. - [BGP Peering](https://www.virtuasys.eu/en/network/bgp-peering): Public and private peering, IXP presence. - [Tier-1 Connectivity](https://www.virtuasys.eu/en/network/tier-1-connectivity): Five Tier-1 upstreams blended on AS35661: Arelion, GTT, Cogent, HE, OpenTransit. - [Internet Exchange (IX)](https://www.virtuasys.eu/en/network/internet-exchange-ix): IXP peering: how internet exchanges work and where AS35661 peers. - [Bandwidth on Demand](https://www.virtuasys.eu/en/network/bandwidth-on-demand): Scale port bandwidth on demand. - [Tunneling (GRE/VXLAN/IPsec/WireGuard)](https://www.virtuasys.eu/en/network/tunneling-gre-vxlan-ipsec-wireguard): Tunnel protocol overhead, MTU math and selection guide. - [DDoS Protection](https://www.virtuasys.eu/en/services/ddos-protection): L3/L4 and L7 mitigation. ## Datacenter - [Colocation Paris](https://www.virtuasys.eu/en/datacenter/colocation-paris): Rack and cage colocation in Paris. - [Colocation Lille](https://www.virtuasys.eu/en/datacenter/colocation-lille): Rack and cage colocation in Lille. - [Rack Rental](https://www.virtuasys.eu/en/datacenter/rack-rental): Per-rack hosting with power and cross-connects. - [Remote Hands](https://www.virtuasys.eu/en/datacenter/remote-hands): On-site technician operations. - [Cage Hosting](https://www.virtuasys.eu/en/datacenter/cage-hosting): Private datacenter cage hosting, quarter cage to full cage, dedicated power and cooling. ## Cloud - [Cloud (hub)](https://www.virtuasys.eu/en/cloud): Cloud infrastructure hub: bare-metal, VPS, API automation and custom ISO deployment on AS35661. - [Bare-Metal Servers](https://www.virtuasys.eu/en/cloud/bare-metal-servers): Dedicated single-tenant servers. - [VPS (SSD/NVMe)](https://www.virtuasys.eu/en/cloud/vps-ssd-nvme): KVM virtual servers on NVMe. - [API Automation](https://www.virtuasys.eu/en/cloud/api-automation): REST API to deploy and manage cloud servers and networks programmatically. - [Custom ISO Deployment](https://www.virtuasys.eu/en/cloud/custom-iso-deployment): Boot any operating system from a custom ISO image with KVM and UEFI/Legacy support. ## IP Resources - [IPv4 Allocation](https://www.virtuasys.eu/en/ip-resources/ipv4-allocation): IPv4 lease and allocation via the LIR. - [IPv4 Leasing](https://www.virtuasys.eu/en/ip-resources/ipv4-leasing): Rent IPv4 blocks from our RIPE pool: /24+, RPKI-signed, LOA, on AS35661 or your ASN. - [IPv6 Allocation](https://www.virtuasys.eu/en/ip-resources/ipv6-allocation): IPv6 allocation via the LIR. - [ASN Registration](https://www.virtuasys.eu/en/ip-resources/asn-registration): RIPE ASN registration and sponsorship. - [RIPE Sponsorship](https://www.virtuasys.eu/en/ip-resources/ripe-sponsorship): LIR sponsorship for independent resources. - [IP Transfer Services](https://www.virtuasys.eu/en/ip-resources/ip-transfer-services): IPv4 block transfers via RIPE, ARIN and APNIC with RIR compliance support. ## Resources - [Resources (hub)](https://www.virtuasys.eu/en/resources): Technical guides on business connectivity by AS35661 engineers. - [Fixed IP and CGNAT](https://www.virtuasys.eu/en/resources/fixed-ip-cgnat): What CGNAT breaks and when the answer is BGP, multihoming or your own ASN. - [Shared vs Dedicated Fiber](https://www.virtuasys.eu/en/resources/shared-vs-dedicated-fiber): What FTTH and FTTO contracts actually guarantee: rates, GTR, SLA, contention. ## Security - [Always-On DDoS Protection](https://www.virtuasys.eu/en/security/always-on-ddos): Always-on DDoS scrubbing with continuous traffic filtering on AS35661. - [Layer 7 DDoS Mitigation](https://www.virtuasys.eu/en/security/layer-7-mitigation): Layer 7 mitigation for HTTP floods, bot and API abuse. ## Services - [Services Catalog](https://www.virtuasys.eu/en/services): Service catalog: fiber connectivity, IP transit, colocation, cloud and IP registry. - [Housing & Colocation](https://www.virtuasys.eu/en/services/housing): Rack and cage colocation in Paris and Lille datacenters, quarter rack to full rack. - [Registry & RIPE](https://www.virtuasys.eu/en/services/registry): RIPE LIR services: ASN registration, IPv4/IPv6 allocation, RPKI and sponsorship. ## Company - [About](https://www.virtuasys.eu/en/about): Who Virtuasys is: European network operator on AS35661, RIPE NCC member since 2015. - [Contact](https://www.virtuasys.eu/en/contact): Contact sales and support or request a quote for any service. - [Abuse](https://www.virtuasys.eu/en/abuse): Report network abuse, spam, phishing or DDoS from AS35661; 24/7 response. ## Legal - [Legal Notice](https://www.virtuasys.eu/en/legal): Legal notice: publisher, company registration and hosting for virtuasys.eu. - [Privacy Policy](https://www.virtuasys.eu/en/privacy): Privacy policy: lead-form data collected, purpose, retention and GDPR rights. ## Company - ASN: AS35661 (PeeringDB net/4655, bgp.tools/as/35661) - Datacenters: Paris, Lille - Contact: [Request a quote](https://www.virtuasys.eu/en/contact) ## French - French site: https://www.virtuasys.eu/fr