The full GNM Annual Report 2024 is available at this link

Backbone Network and Points of Presence

• Increased total DWDM backbone length to 18,000 km across 19 countries.
• Deployed 10 new PoPs in major European data centers, bringing the total to 79.
• Launched new DWDM rings to improve redundancy and lower latency:

1. Frankfurt-Berlin-Warsaw-Katowice-Prague
2. Frankfurt-Stuttgart-Munich-Vienna-Bratislava-Prague

• Completed a 1,200-kilometer DWDM fiber link between Stockholm and Berlin, reducing latency to 12 milliseconds.

GNM-IX: Growing Interconnection and Traffic Volumes

• Connected over 600 ASNs across 80 locations.
• Achieved a peak traffic load of 8.7 Tbps by the end of 2024, now surpassing 9 Tbps in early 2025.
• Expanded presence in key data centers to improve traffic exchange efficiency for ISPs, content providers, and cloud networks.

Infrastructure Development

• Increased total network port capacity to 384.3 Tbps.
• Deployed 7,054 active ports.
• Expanded IPv4 prefixes to 158,578.
• Grew IPv6 prefixes by 10%, reaching 61,975.

DDoS Protection and Network Security

• Successfully mitigated thousands of DDoS attacks throughout 2024.
• Ensured uninterrupted service for ISPs, cloud platforms, and data centers.
• Handled attacks with:

1. Average duration: under 20 minutes (longest recorded: 19 days)
2. Peak attack volume: 100–150 Gbps
3. Target distribution: 53% on GNM-IX, 47% on IP Transit
4. Primary attack vectors:

• UDP flood (39%)
• IP packet fragmentation (36%)
• DNS Amplification (7%)
• TCP SYN flood (6%)
• Integrated Arbor TMS filtering technology to automate detection and mitigation, ensuring network stability.