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自律システム

AS5408

National Infrastructures for Research and Technology S.A.

アナウンスされたIP数
180,224
CIDRプレフィックス
68
ASN
AS5408

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.

69/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Enterprise allocation +4
  • Trust score 69 / 100

Experimental · trust-vectors model v1.2.0 — 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.

Founded
1998
Headquarters
Athens

Network profile

Source: PeeringDB →
Network type Educational/Research
Traffic level 20-50Gbps
Geographic scope Regional
Traffic ratio Balanced
Peering policy Open
IRR record AS-GRNET

Present at 2 internet exchanges: GR-IX::Athens: Peering Lan, GR-IX::Thessaloniki: Peering LAN

トップCIDR範囲

CIDRIP数PTR Density組織StateCity
37.32.128.0/17 32.8K
0.0%
National Infrastructures for Research and Technology S.A. GR
150.140.128.0/17 32.8K
23.9%
National Infrastructures for Research and Technology S.A. GR West Greece Pátrai
62.217.64.0/18 16.4K
0.1%
National Infrastructures for Research and Technology S.A. GR Attica Piraeus
83.212.32.0/19 8.2K
3.0%
National Infrastructures for Research and Technology S.A. GR Thessaly Volos
83.212.96.0/19 8.2K
11.9%
National Infrastructures for Research and Technology S.A. GR
195.251.0.0/19 8.2K
23.6%
National Infrastructures for Research and Technology S.A. GR Attica Athens
83.212.0.0/20 4.1K
22.5%
National Infrastructures for Research and Technology S.A. GR Attica Athens
83.212.208.0/20 4.1K
0.0%
National Infrastructures for Research and Technology S.A. GR
194.177.208.0/20 4.1K
12.8%
National Infrastructures for Research and Technology S.A. GR Attica Athens
195.130.80.0/20 4.1K
11.4%
National Infrastructures for Research and Technology S.A. GR West Greece Pátrai
195.251.128.0/20 4.1K
7.6%
National Infrastructures for Research and Technology S.A. GR North Aegean Mytilene
83.212.16.0/21 2.0K
51.3%
National Infrastructures for Research and Technology S.A. GR West Macedonia Kozani
83.212.72.0/21 2.0K
32.8%
National Infrastructures for Research and Technology S.A. GR
83.212.80.0/21 2.0K
1.9%
National Infrastructures for Research and Technology S.A. GR
83.212.168.0/21 2.0K
60.9%
National Infrastructures for Research and Technology S.A. GR
83.212.176.0/21 2.0K
0.1%
National Infrastructures for Research and Technology S.A. GR
83.212.224.0/21 2.0K
21.3%
National Infrastructures for Research and Technology S.A. GR
83.212.240.0/21 2.0K
2.5%
National Infrastructures for Research and Technology S.A. GR
194.177.200.0/21 2.0K
98.9%
National Infrastructures for Research and Technology S.A. GR
195.130.72.0/21 2.0K
18.3%
National Infrastructures for Research and Technology S.A. GR Attica Athens
195.251.40.0/21 2.0K
2.8%
National Infrastructures for Research and Technology S.A. GR Attica Glyfada
195.251.56.0/21 2.0K
34.4%
National Infrastructures for Research and Technology S.A. GR Attica Athens
195.251.112.0/21 2.0K
15.6%
National Infrastructures for Research and Technology S.A. GR
195.251.144.0/21 2.0K
0.0%
National Infrastructures for Research and Technology S.A. GR Attica Athens
195.251.176.0/21 2.0K
0.8%
National Infrastructures for Research and Technology S.A. GR
83.212.24.0/22 1.0K
47.2%
National Infrastructures for Research and Technology S.A. GR
83.212.68.0/22 1.0K
0.0%
National Infrastructures for Research and Technology S.A. GR
83.212.92.0/22 1.0K
24.3%
National Infrastructures for Research and Technology S.A. GR
83.212.200.0/22 1.0K
4.8%
National Infrastructures for Research and Technology S.A. GR
83.212.232.0/22 1.0K
3.4%
National Infrastructures for Research and Technology S.A. GR Central Macedonia Thessaloniki
83.212.252.0/22 1.0K
0.0%
National Infrastructures for Research and Technology S.A. GR
143.233.184.0/22 1.0K
29.6%
National Infrastructures for Research and Technology S.A. GR
185.5.76.0/22 1.0K
0.0%
National Infrastructures for Research and Technology S.A. GR
185.81.196.0/22 1.0K
0.0%
National Infrastructures for Research and Technology S.A. GR
195.130.68.0/22 1.0K
0.0%
National Infrastructures for Research and Technology S.A. GR
195.251.52.0/22 1.0K
10.8%
National Infrastructures for Research and Technology S.A. GR Attica Athens
195.251.96.0/22 1.0K
2.5%
National Infrastructures for Research and Technology S.A. GR
195.251.104.0/22 1.0K
24.9%
National Infrastructures for Research and Technology S.A. GR
195.251.124.0/22 1.0K
10.6%
National Infrastructures for Research and Technology S.A. GR
143.233.182.0/23 512
40.4%
National Infrastructures for Research and Technology S.A. GR
143.233.188.0/23 512
38.7%
National Infrastructures for Research and Technology S.A. GR
193.218.124.0/23 512
0.0%
National Infrastructures for Research and Technology S.A. GR
194.42.50.0/23 512
0.0%
National Infrastructures for Research and Technology S.A. GR
194.42.52.0/23 512
0.0%
National Infrastructures for Research and Technology S.A. GR
194.177.196.0/23 512
0.0%
National Infrastructures for Research and Technology S.A. GR
195.130.66.0/23 512
10.4%
National Infrastructures for Research and Technology S.A. GR
195.251.34.0/23 512
0.0%
National Infrastructures for Research and Technology S.A. GR
195.251.38.0/23 512
55.1%
National Infrastructures for Research and Technology S.A. GR
195.251.50.0/23 512
73.8%
National Infrastructures for Research and Technology S.A. GR
195.251.102.0/23 512
0.0%
National Infrastructures for Research and Technology S.A. GR
195.251.108.0/23 512
0.6%
National Infrastructures for Research and Technology S.A. GR
44.31.164.0/24 256
0.4%
National Infrastructures for Research and Technology S.A. US
83.212.248.0/24 256
1.2%
National Infrastructures for Research and Technology S.A. GR
83.212.251.0/24 256
0.0%
National Infrastructures for Research and Technology S.A. GR
91.227.108.0/24 256
0.0%
National Infrastructures for Research and Technology S.A. GR
109.107.139.0/24 256
0.0%
National Infrastructures for Research and Technology S.A. GR
143.233.68.0/24 256
7.8%
National Infrastructures for Research and Technology S.A. GR
143.233.204.0/24 256
27.3%
National Infrastructures for Research and Technology S.A. GR
193.105.109.0/24 256
0.0%
National Infrastructures for Research and Technology S.A. GR
193.218.36.0/24 256
8.6%
National Infrastructures for Research and Technology S.A. GR
194.42.54.0/24 256
0.0%
National Infrastructures for Research and Technology S.A. GR
194.177.192.0/24 256
41.0%
National Infrastructures for Research and Technology S.A. GR
195.130.67.0/24 256
4.3%
National Infrastructures for Research and Technology S.A. GR
195.130.123.0/24 256
13.7%
National Infrastructures for Research and Technology S.A. GR
195.251.33.0/24 256
0.4%
National Infrastructures for Research and Technology S.A. GR
195.251.49.0/24 256
31.6%
National Infrastructures for Research and Technology S.A. GR
195.251.100.0/24 256
0.0%
National Infrastructures for Research and Technology S.A. GR
195.251.247.0/24 256
6.3%
National Infrastructures for Research and Technology S.A. GR

BGPアナウンス済みプレフィックス

ライブBGP異常 →

プレフィックス AS5408 BGPで実際に発信され、当社のRIPE RISコレクター全体で観測されています。このライブルーティングビューは、上記のレジストリ割り当てとは異なる場合があります。

Prefixアナウンスサンプル最終確認
195.251.24.0/22 171,043 2026-07-24 07:48:07
194.177.208.0/22 164,053 2026-07-24 07:48:07
109.107.139.0/24 34,672 2026-07-24 07:41:30
193.218.124.0/23 33,715 2026-07-24 07:41:30
83.212.0.0/16 28,324 2026-07-24 07:41:30
193.218.36.0/24 22,079 2026-07-24 07:41:30
143.233.182.0/23 13,848 2026-07-24 07:41:30
150.140.128.0/17 11,520 2026-07-24 07:41:30
143.233.188.0/23 10,879 2026-07-24 07:41:30
185.81.196.0/22 10,780 2026-07-24 07:41:30
194.42.54.0/24 10,768 2026-07-24 07:41:30
194.42.50.0/23 10,722 2026-07-24 07:41:30
143.233.184.0/22 10,720 2026-07-24 07:41:30
143.233.204.0/24 10,705 2026-07-24 07:41:30
143.233.68.0/24 10,695 2026-07-24 07:41:30
62.217.64.0/18 10,691 2026-07-24 07:41:30
194.42.52.0/23 10,686 2026-07-24 07:41:30
37.32.128.0/17 10,684 2026-07-24 07:41:30
195.130.64.0/18 10,679 2026-07-24 07:41:30
185.5.76.0/22 10,673 2026-07-24 07:41:30
193.105.109.0/24 10,650 2026-07-24 07:41:30
194.177.192.0/19 10,621 2026-07-24 07:41:30
91.227.108.0/24 10,617 2026-07-24 07:41:30
195.251.0.0/16 10,589 2026-07-24 07:41:30
44.31.164.0/24 9,635 2026-07-24 08:19:51
62.217.126.0/24 5,342 2026-07-24 07:21:38
62.217.85.0/24 5,281 2026-07-24 07:21:38
83.212.168.0/23 5,232 2026-07-24 07:21:38
195.251.2.0/24 5,196 2026-07-24 07:21:39
145.116.216.0/24 769 2026-06-29 09:12:16
83.212.1.0/24 341 2026-07-23 09:35:43
83.212.2.0/24 341 2026-07-23 09:35:43
83.212.5.0/24 341 2026-07-23 09:35:43
83.212.174.0/23 341 2026-07-23 09:35:43
83.212.170.0/23 341 2026-07-23 09:35:43
62.217.124.0/24 340 2026-07-23 09:35:43
62.217.119.0/24 340 2026-07-23 09:35:43
62.217.79.0/24 340 2026-07-23 09:35:43
194.177.208.0/23 339 2026-07-23 09:35:43
195.251.99.0/24 339 2026-07-23 09:35:43

Frequently Asked Questions

AS5408とは何ですか?

AS5408はNational Infrastructures for Research and Technology S.A.に割り当てられた自律システム番号です。ASNは、特定のIPアドレスセットを制御し、BGP(Border Gateway Protocol)を介してインターネット上でトラフィックがどのようにルーティングされるかを決定するネットワークを識別します。

AS5408はいくつのIPアドレスをアナウンスしていますか?

AS5408は、68個のルーティングされたCIDRプレフィックスに分散された180.2K個のIPv4アドレスをアナウンスしています。 このネットワークはGreeceに登録されています。

AS5408は誰が運営していますか?

AS5408はNational Infrastructures for Research and Technology S.A.によって運営されています。 この組織はGreeceに拠点を置いています。 組織ページで、すべてのIP範囲と関連するASNを表示できます。

AS5408はどの国に登録されていますか?

AS5408はGreeceに登録されています。これはネットワークオペレーターの本社所在地を示しますが、アナウンスするIPアドレスは世界中のユーザーにサービスを提供する場合があります。

最終更新日: 2026-07-24 08:40:31 UTC
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