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Organization

NORDUnet

IPv4 addresses
10,752
CIDR ranges
14
Category
academic
BGP prefixes announced
18

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.

71/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Academic allocation +6
  • Trust score 71 / 100

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

About NORDUnet

NORDUnet is an international collaboration between the national research and education networks in the Nordic countries.

Founded
1985
Headquarters
Copenhagen

Operates 1 network present at 31 internet exchanges with a selective peering policy.

Countries served by NORDUnet

Every country where this organization has IPv4 allocations, ranked by IPs held.

ASNs owned by NORDUnet

ASNNameIPsPrefixesCountry
AS2603 NORDUnet 9.7K 13 DK
AS39590 NORDUnet 1.0K 1 DK

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
109.105.96.0/20 4.1K
34.5%
AS2603 DK
109.105.112.0/21 2.0K
12.5%
AS2603 DK Capital Region Kastrup
109.105.116.0/22 1.0K
20.7%
AS2603 DK
109.105.120.0/22 1.0K
12.9%
AS2603 DK
109.105.124.0/22 1.0K
45.6%
AS39590 DK
185.174.116.0/22 1.0K
62.1%
AS2603 DK
109.105.106.0/23 512
0.0%
AS2603 DK
109.105.112.0/23 512
6.3%
AS2603 DK
109.105.116.0/23 512
0.0%
AS2603 DK
109.105.122.0/23 512
0.0%
AS2603 DK
109.105.126.0/23 512
0.0%
AS39590 SE
193.10.254.0/23 512
20.3%
AS2603 SE
109.105.100.0/24 256
0.0%
AS2603 DK
109.105.103.0/24 256
0.0%
AS2603 JP
109.105.104.0/24 256
0.0%
AS2603 SE
109.105.105.0/24 256
0.0%
AS2603 DK
109.105.108.0/24 256
0.0%
AS2603 DK
109.105.110.0/24 256
0.0%
AS2603 DK
109.105.111.0/24 256
0.0%
AS2603 SE
109.105.112.0/24 256
0.0%
AS2603 DK
109.105.114.0/24 256
2.7%
AS2603 DK Capital Region Kastrup
109.105.115.0/24 256
0.0%
AS2603 DK
109.105.118.0/24 256
0.0%
AS2603 DK
109.105.120.0/24 256
0.0%
AS2603 GB
109.105.125.0/24 256
0.0%
AS39590 DK
192.36.171.0/24 256
50.8%
AS2603 SE
193.10.252.0/24 256
27.7%
AS2603 SE
193.10.254.0/24 256
17.2%
AS2603 SE
193.10.255.0/24 256
0.0%
AS2603 SE
193.11.3.0/24 256
19.9%
AS2603 SE
194.68.13.0/24 256
25.0%
AS2603 SE
109.105.101.128/25 128
0.0%
AS2603 DK
109.105.109.128/25 128
0.0%
AS2603 SE
109.105.113.128/25 128
0.0%
AS2603 DK
109.105.114.128/25 128
0.0%
AS2603 DK
109.105.119.0/25 128
0.0%
AS2603 SE
109.105.121.128/25 128
0.0%
AS2603 DK
109.105.124.128/25 128
0.0%
AS39590 DK
109.105.96.192/26 64
0.0%
AS2603 DK
109.105.102.192/26 64
0.0%
AS2603 SE
109.105.109.0/26 64
0.0%
AS2603 DK
109.105.109.64/26 64
0.0%
AS2603 DE
109.105.113.0/26 64
0.0%
AS2603 SE
109.105.113.64/26 64
0.0%
AS2603 DK
109.105.114.64/26 64
0.0%
AS2603 DK
109.105.119.128/26 64
0.0%
AS2603 DK
109.105.121.64/26 64
0.0%
AS2603 DK
109.105.124.64/26 64
0.0%
AS39590 DK
109.105.98.192/27 32
0.0%
AS2603 DK
109.105.101.96/27 32
0.0%
AS2603 SE
109.105.114.0/27 32
0.0%
AS2603 SE
109.105.114.32/27 32
0.0%
AS2603 DK
109.105.119.192/27 32
0.0%
AS2603 DK
109.105.121.0/27 32
0.0%
AS2603 DK
109.105.124.32/27 32
0.0%
AS39590 DK
109.105.96.80/28 16
0.0%
AS2603 DK
109.105.96.144/28 16
0.0%
AS2603 DK
109.105.96.176/28 16
0.0%
AS2603 DK
109.105.97.96/28 16
0.0%
AS2603 DK
109.105.97.176/28 16
0.0%
AS2603 SE
109.105.97.192/28 16
0.0%
AS2603 DK
109.105.99.0/28 16
0.0%
AS2603 DK
109.105.99.32/28 16
0.0%
AS2603 DK
109.105.99.64/28 16
0.0%
AS2603 DK
109.105.99.96/28 16
0.0%
AS2603 SE
109.105.99.112/28 16
0.0%
AS2603 DK
109.105.99.176/28 16
0.0%
AS2603 DK
109.105.99.224/28 16
0.0%
AS2603 DK
109.105.101.80/28 16
0.0%
AS2603 SE
109.105.102.16/28 16
0.0%
AS2603 SE
109.105.102.48/28 16
0.0%
AS2603 SE
109.105.119.240/28 16
0.0%
AS2603 DK
109.105.121.32/28 16
0.0%
AS2603 DK
109.105.124.16/28 16
0.0%
AS39590 DK
109.105.96.0/29 8
0.0%
AS2603 SE
109.105.96.56/29 8
0.0%
AS2603 SE
109.105.96.72/29 8
0.0%
AS2603 DK
109.105.96.96/29 8
0.0%
AS2603 DK
109.105.96.136/29 8
0.0%
AS2603 DK
109.105.96.160/29 8
0.0%
AS2603 DK
109.105.97.24/29 8
0.0%
AS2603 SE
109.105.97.112/29 8
0.0%
AS2603 DK
109.105.97.152/29 8
0.0%
AS2603 DK
109.105.97.160/29 8
0.0%
AS2603 DK
109.105.97.216/29 8
0.0%
AS2603 DK
109.105.97.224/29 8
0.0%
AS2603 DK
109.105.98.0/29 8
0.0%
AS2603 SE
109.105.98.8/29 8
0.0%
AS2603 US
109.105.98.32/29 8
0.0%
AS2603 NL
109.105.98.40/29 8
0.0%
AS2603 US
109.105.98.48/29 8
0.0%
AS2603 SE
109.105.98.64/29 8
0.0%
AS2603 SE
109.105.98.72/29 8
0.0%
AS2603 DK
109.105.98.80/29 8
0.0%
AS2603 NL
109.105.98.88/29 8
0.0%
AS2603 SE
109.105.98.96/29 8
0.0%
AS2603 SE
109.105.98.144/29 8
0.0%
AS2603 SE
109.105.98.248/29 8
0.0%
AS2603 DK
109.105.99.24/29 8
0.0%
AS2603 DK
109.105.99.56/29 8
0.0%
AS2603 DK

Frequently Asked Questions

How many IP addresses does NORDUnet own?

NORDUnet controls 10.8K IPv4 addresses distributed across 14 CIDR ranges. The organization is registered in Denmark.

What ASNs does NORDUnet operate?

NORDUnet operates 2 Autonomous Systems. Each ASN represents an independently routed network that NORDUnet manages for internet traffic delivery.

What countries does NORDUnet serve?

NORDUnet has IP address allocations in 2 countries, indicating a multinational network presence for delivering services across these regions.

What type of organization is NORDUnet?

NORDUnet is categorized as academic. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-07-23 18:55:31 UTC
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