Looking Glass & Network Benchmark

Netcup Looking Glass & Speedtest: Datacenter Latencies & Routing

Run ping, traceroute, and MTR checks to official netcup datacenter locations across Germany, Austria, the Netherlands, and the US. Download official test files to measure real-world throughput.

Datacenters & Network

Netcup Looking Glass, Test IPs & Network Speedtests

Test ping latencies, traceroute hops, and download throughput across official netcup datacenter locations in Germany, Austria, the Netherlands, USA, and Singapore.

Open Official Looking Glass Official Network Architecture (Anexia)
Backbone Network
Anexia Europe
Edge Capacity
2 Tbps+
Free DDoS Protection
2 Tbps Mitigation
Autonomous System
AS197540 / AS47147
netcup Datacenter Locations & Looking Glass Network Map (Nuremberg, Vienna, Amsterdam, Manassas, Frankfurt)
Fig. 2: European and international netcup datacenter locations with Looking Glass probe nodes and speedtest IPs.
Official Speedtest Host 🇩🇪 Germany • Nuremberg Flagship Datacenter

Dedicated speedtest host (188.68.56.104) connected directly to the 2 Tbps backbone with test download files from 10MB to 1GB.

IPv4 188.68.56.104
IPv6 2a03:4000:6:f012::1
Download files:
10MB 25MB 50MB 100MB 250MB 500MB 1GB
Open Native Test Page ↗
🇩🇪

Nuremberg (Nürnberg)

netcup Datacenter Campus Nürnberg (EU Flagship)
Primary DC

Flagship European datacenter. Direct DE-CIX & AMS-IX connections with redundant uplinks.

IPv4 Test IP: 188.68.56.104 📋
IPv6 Test IP: 2a03:4000:6:f012::1 📋
Estimated Round-Trip Latency:
Europe4 - 15 ms
Americas85 - 105 ms
Asia-Pacific145 - 180 ms
100MB Testfile ↓ Looking Glass ↗
🇦🇹

Vienna (Wien)

netcup Interxion Campus Wien
Austria

Central & Eastern Europe hub. Directly connected to the Vienna Internet eXchange (VIX).

IPv4 Test IP: 89.58.16.2 📋
Estimated Round-Trip Latency:
Europe8 - 20 ms
Americas95 - 115 ms
Asia-Pacific150 - 190 ms
Looking Glass ↗
🇳🇱

Amsterdam

netcup AMS Datacenter (AMS-IX Direct)
Netherlands

Western European hub at the AMS-IX internet exchange with massive international bandwidth.

IPv4 Test IP: 152.53.104.2 📋
Estimated Round-Trip Latency:
Europe5 - 18 ms
Americas80 - 100 ms
Asia-Pacific150 - 185 ms
Looking Glass ↗
🇺🇸

Manassas (Virginia)

netcup US-East Datacenter Manassas
United States

North America US-East datacenter optimized for transatlantic workloads and American visitors.

IPv4 Test IP: 152.53.68.2 📋
Estimated Round-Trip Latency:
Europe75 - 90 ms
Americas15 - 35 ms
Asia-Pacific160 - 210 ms
Looking Glass ↗
🇸🇬

Singapore

netcup Asia-Pacific Datacenter Singapore
Singapore

Asia-Pacific core hub delivering low latency and clean routing across East & Southeast Asia.

IPv4 Test IP: 217.146.9.130 📋
Estimated Round-Trip Latency:
Europe150 - 180 ms
Americas160 - 190 ms
Asia-Pacific20 - 65 ms
Looking Glass ↗
ISP Routing & Latency Optimization Guide:

• China Unicom (AS4837): Strongly recommend Nuremberg for direct backbone links (140-150ms).

• China Telecom & Mobile: Recommend pairing with a CDN or reverse proxy; test Vienna or Amsterdam.

• APAC & Southeast Asia: Select Singapore datacenter for lowest regional latency.

• North America: Select Manassas (Virginia) US-East node for direct US backbone peering.

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