AS5408
National Infrastructures for Research and Technology S.A.
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Enterprise allocation +4
- Trust score 69 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
About National Infrastructures for Research and Technology
The National Infrastructures for Research and Technology Network or GRNET is the national research and education network - NREN of Greece and was formerly named Greek Research and Educational Network. GRNET S.A.
Network profile
Source: PeeringDB →Present at 2 internet exchanges: GR-IX::Athens: Peering Lan, GR-IX::Thessaloniki: Peering LAN
Web3 footprint
AS5408 hosts 1 observed decentralized-network node across 1 network. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS5408 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 195.251.24.0/22 | 273,589 | 2026-10-17 07:23:28 |
| 194.177.208.0/22 | 266,436 | 2026-10-17 07:23:28 |
| 109.107.139.0/24 | 103,190 | 2026-10-17 07:23:25 |
| 193.218.124.0/23 | 52,424 | 2026-10-17 07:23:25 |
| 83.212.0.0/16 | 47,379 | 2026-10-17 07:23:28 |
| 193.218.36.0/24 | 32,024 | 2026-10-17 07:23:25 |
| 143.233.182.0/23 | 27,467 | 2026-10-17 07:23:25 |
| 44.31.164.0/24 | 25,933 | 2026-10-17 07:23:25 |
| 143.233.188.0/23 | 24,498 | 2026-10-17 07:23:25 |
| 143.233.184.0/22 | 24,401 | 2026-10-17 07:23:25 |
| 143.233.204.0/24 | 24,304 | 2026-10-17 07:23:25 |
| 150.140.128.0/17 | 21,577 | 2026-10-17 07:23:25 |
| 185.81.196.0/22 | 20,934 | 2026-10-17 07:23:25 |
| 37.32.128.0/17 | 20,918 | 2026-10-17 07:23:25 |
| 62.217.64.0/18 | 20,821 | 2026-10-17 07:23:25 |
| 194.42.54.0/24 | 20,697 | 2026-10-17 07:23:25 |
| 91.227.108.0/24 | 20,697 | 2026-10-17 07:23:25 |
| 185.5.76.0/22 | 20,690 | 2026-10-17 07:23:25 |
| 194.42.50.0/23 | 20,669 | 2026-10-17 07:23:25 |
| 194.42.52.0/23 | 20,645 | 2026-10-17 07:23:25 |
| 143.233.68.0/24 | 20,631 | 2026-10-17 07:23:25 |
| 195.130.64.0/18 | 20,603 | 2026-10-17 07:23:25 |
| 193.105.109.0/24 | 20,583 | 2026-10-17 07:23:25 |
| 194.177.192.0/19 | 20,552 | 2026-10-17 07:23:25 |
| 195.251.0.0/16 | 20,454 | 2026-10-17 07:23:25 |
| 195.251.2.0/24 | 19,488 | 2026-10-17 07:23:38 |
| 83.212.168.0/23 | 19,460 | 2026-10-17 07:31:07 |
| 62.217.85.0/24 | 19,267 | 2026-10-17 07:30:05 |
| 62.217.126.0/24 | 18,956 | 2026-10-17 07:31:07 |
| 145.116.216.0/24 | 769 | 2026-06-29 09:12:16 |
| 83.212.1.0/24 | 605 | 2026-10-15 08:02:12 |
| 83.212.2.0/24 | 605 | 2026-10-15 08:02:12 |
| 83.212.5.0/24 | 605 | 2026-10-15 08:02:12 |
| 83.212.174.0/23 | 605 | 2026-10-15 08:02:12 |
| 83.212.170.0/23 | 605 | 2026-10-15 08:02:12 |
| 194.177.208.0/23 | 604 | 2026-10-15 08:02:12 |
| 195.251.99.0/24 | 603 | 2026-10-15 08:02:12 |
| 62.217.124.0/24 | 602 | 2026-10-15 08:02:12 |
| 62.217.119.0/24 | 602 | 2026-10-15 08:02:12 |
| 62.217.79.0/24 | 602 | 2026-10-15 08:02:12 |
Frequently Asked Questions
What is AS5408?
AS5408 is an Autonomous System Number assigned to National Infrastructures for Research and Technology S.A.. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS5408 announce?
AS5408 announces 179.7K IPv4 addresses distributed across 66 routed CIDR prefixes. The network is registered in Greece.
Who operates AS5408?
AS5408 is operated by National Infrastructures for Research and Technology S.A.. The organization is based in Greece. You can view all IP ranges and related ASNs on the organization page.
What country is AS5408 registered in?
AS5408 is registered in Greece. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
